Astrid Aksnes

Publications

2024

Salaj, Jehona; Vlk, Marek; Zakoldaev, Roman; Seton, Ragnar; Čtyroký, Jiří; Alberti, Sebastian. (2024) Suspended nanophotonic waveguide for isotope-specific CO2 detection. Optica
Academic article
Dong, Chao; Ren, Dingding; Høvik, Jens; Khan, Md Istiak; Aksnes, Astrid; Fimland, Bjørn Ove Myking. (2024) Hybrid integrated germanium-on-zinc selenide waveguides for enhanced longwave infrared sensing. Proceedings of SPIE, the International Society for Optical Engineering
Academic article
Dong, Chao; Ren, Dingding; Høvik, Jens; Khan, Md Istiak; Aksnes, Astrid; Fimland, Bjørn Ove Myking. (2024) Hybrid germanium-on-zinc selenide waveguides for longwave infrared integrated photonics. Conference on Lasers and Electro-Optics (CLEO)
Academic article
Ren, Dingding; Dong, Chao; Høvik, Jens; Khan, Md Istiak; Aksnes, Astrid; Fimland, Bjørn Ove Myking. (2024) Low-loss hybrid germanium-on-zinc selenide waveguides in the longwave infrared. Nanophotonics
Academic article

2023

Yallew, Henock Demessie; Vlk, Marek; Datta, Anurup; Alberti, Sebastian; Zakoldaev, Roman; Høvik, Jens. (2023) Sub-ppm Methane Detection with Mid-Infrared Slot Waveguides. ACS Photonics
Academic article
Høvik, Jens; Aksnes, Astrid. (2023) Inverse Effective Index Method for Two-Dimensional Simulations of Photonic Components. IEEE Photonics Journal
Academic article

2022

Sønstevold, Linda; Yadav, Mukesh; Arnfinnsdottir, Nina Bjørk; Herbjørnrød, Aina Kristin; Jensen, Geir Uri; Aksnes, Astrid. (2022) Biocompatible bonding of a rigid off-stoichiometry thiol-ene-epoxy polymer microfluidic cartridge to a biofunctionalized silicon biosensor. Journal of Micromechanics and Microengineering (JMM)
Academic article
Schwermer, Silje Fuglerud; Hjelme, Dag Roar; Aksnes, Astrid; Milenko, Karolina Barbara. (2022) Near Infrared Spectroscopy for Continuous Glucose Monitoring. Doctoral theses at NTNU (184)
Doctoral dissertation
Yallew, Henock Demessie; Vlk, Marek; Datta, Anurup; Alberti, Sebastian; Høvik, Jens; Aksnes, Astrid. (2022) Silicon-on-Insulator (SOI) Slot Waveguide for Methane Absorption Sensing in the Mid-Infrared. Optica Publishing Group
Other
Yadav, Mukesh; Aksnes, Astrid. (2022) Multiplexed Mach-Zehnder interferometer assisted ring resonator sensor. Optics Express
Academic article
Schwermer, Silje Fuglerud; Noh, Jong Wook; Aksnes, Astrid; Hjelme, Dag Roar. (2022) Performance improvement in a supercontinuum fiber-coupled system for near infrared absorption spectroscopy. Applied Optics
Academic article

2021

Vlk, Marek; Datta, Anurup; Alberti, Sebastian; Murugan, Ganapathy Senthil; Aksnes, Astrid; Jagerska, Jana. (2021) Free-standing tantalum pentoxide waveguides for gas sensing in the mid-infrared. Optical Materials Express
Academic article
Fuglerud, Silje Skeide; Ellingsen, Reinold; Aksnes, Astrid; Hjelme, Dag Roar. (2021) Investigation of the effect of clinically relevant interferents on glucose monitoring using near‐infrared spectroscopy. Journal of Biophotonics
Academic article
Milenko, Karolina Barbara; Yerolatsitis, Stephanos; Aksnes, Astrid; Hjelme, Dag Roar; Stone, James M.. (2021) Micro-lensed negative-curvature fibre probe for raman spectroscopy. Sensors
Academic article
Yadav, Mukesh; Noh, Jong Wook; Hjelme, Dag Roar; Aksnes, Astrid. (2021) Spectral shaping of ring resonator transmission response. Optics Express
Academic article
Johnsen, Håkon Jarand Dugstad; Aksnes, Astrid; Torgersen, Jan. (2021) Beyond the 2D limit: étendue-squeezing line-focus solar concentrators. Optics Letters
Academic article

2020

Høvik, Jens; Yadav, Mukesh; Noh, Jong Wook; Aksnes, Astrid. (2020) Waveguide asymmetric long-period grating couplers as refractive index sensors. Optics Express
Academic article
Jernelv, Ine Larsen; Strøm, Karina; Hjelme, Dag Roar; Aksnes, Astrid. (2020) Mid-infrared spectroscopy with a fiber-coupled tuneable quantum cascade laser for glucose sensing. Proceedings of SPIE, the International Society for Optical Engineering
Academic article
Johnsen, Håkon Jarand Dugstad; Aksnes, Astrid; Torgersen, Jan. (2020) High-performance stationary solar tracking through multi-objective optimization of beam-steering lens arrays. Optics Express
Academic article
Jernelv, Ine Larsen; Høvik, Jens; Hjelme, Dag Roar; Aksnes, Astrid. (2020) Signal enhancement in microstructured silicon attenuated total reflection elements with quantum cascade laser-based spectroscopy. Proceedings of SPIE, the International Society for Optical Engineering
Academic article
Jernelv, Ine Larsen; Hjelme, Dag Roar; Aksnes, Astrid. (2020) Infrared measurements of glucose in peritoneal fluid with a tuneable quantum cascade laser. Biomedical Optics Express
Academic article
Jernelv, Ine Larsen; Hjelme, Dag Roar; Matsuura, Yuji; Aksnes, Astrid. (2020) Convolutional neural networks for classification and regression analysis of one-dimensional spectral data. arXiv.org
Academic article
Arnfinnsdottir, Nina Bjørk; Chapman, Cole A; Bailey, Ryan C; Aksnes, Astrid; Stokke, Bjørn Torger. (2020) Impact of Silanization Parameters and Antibody Immobilization Strategy on Binding Capacity of Photonic Ring Resonators. Sensors
Academic article
Jernelv, Ine Larsen; Hjelme, Dag Roar; Aksnes, Astrid. (2020) Mid-Infrared Tuneable Laser Spectroscopy for Glucose Sensing. Doktoravhandlinger ved NTNU (ISSN 1503-8181)
Doctoral dissertation
Milenko, Karolina Barbara; Fuglerud, Silje Skeide; Aksnes, Astrid; Ellingsen, Reinold; Hjelme, Dag Roar. (2020) Optimization of SERS Sensing With Micro-Lensed Optical Fibers and Au Nano-Film. Journal of Lightwave Technology
Academic article

2019

Fuglerud, Silje Skeide; Milenko, Karolina Barbara; Ellingsen, Reinold; Aksnes, Astrid; Hjelme, Dag Roar. (2019) Glucose sensing by absorption spectroscopy using lensed optical fibers. Applied Optics
Academic article
Johnsen, Håkon Jarand Dugstad; Torgersen, Jan; Aksnes, Astrid. (2019) High-concentration wide-angle tracking integration with stacked lens arrays. AIP Publishing (American Institute of Physics)
Academic chapter/article/Conference paper
Fuglerud, Silje Skeide; Milenko, Karolina Barbara; Ellingsen, Reinold; Aksnes, Astrid; Hjelme, Dag Roar. (2019) Feasibility of supercontinuum sources for use in glucose sensing by absorption spectroscopy. Proceedings of SPIE, the International Society for Optical Engineering
Academic article
Johnsen, Håkon Jarand Dugstad; Aksnes, Astrid; Torgersen, Jan. (2019) Pushing the limits of beam-steering lens arrays. Proceedings of SPIE, the International Society for Optical Engineering
Academic article
Jernelv, Ine Larsen; Strøm, Karina; Hjelme, Dag Roar; Aksnes, Astrid. (2019) Infrared Spectroscopy with a Fiber-Coupled Quantum Cascade Laser for Attenuated Total Reflection Measurements Towards Biomedical Applications. Sensors
Academic article

2018

Johnsen, Håkon Jarand Dugstad; Torgersen, Jan; Aksnes, Astrid. (2018) Solar tracking using beam-steering lens arrays. SPIE - The International Society for Optics and Photonics
Academic chapter/article/Conference paper
Milenko, Karolina Barbara; Fuglerud, Silje Skeide; Kjeldby, Snorre Braathen; Ellingsen, Reinold; Aksnes, Astrid; Hjelme, Dag Roar. (2018) Micro-lensed optical fibers for a surface-enhanced Raman scattering sensing probe. Optics Letters
Academic article
Johansen, Finn-Eirik; Brautaset, Trygve; Aune, Marie Hjelmseth; Patriksson, Alexandra; Falkenberg, Liv Eggset; Kleppe, Rune. (2018) Centre for Digital Life Norway - Annual report 2017. Senter for Digialt Liv Norge
Report
Milenko, Karolina Barbara; Larsen Jernelv, Ine; Fuglerud, Silje Skeide; Aksnes, Astrid; Ellingsen, Reinold; Hjelme, Dag Roar. (2018) Towards Fiber-Optic Raman Spectroscopy for Glucose Sensing. Optics Info Base, Optical Society of America
Academic chapter/article/Conference paper
Larsen Jernelv, Ine; Milenko, Karolina Barbara; Ellingsen, Reinold; Hjelme, Dag Roar; Aksnes, Astrid. (2018) Improving Multivariate Analysis in Mid-Infrared Spectroscopy for Biosensing. Optics Info Base, Optical Society of America
Academic chapter/article/Conference paper
Jernelv, Ine Larsen; Milenko, Karolina Barbara; Fuglerud, Silje Skeide; Hjelme, Dag Roar; Ellingsen, Reinold; Aksnes, Astrid. (2018) A review of optical methods for continuous glucose monitoring. Applied spectroscopy reviews (Softcover ed.)
Academic literature review
Fuglerud, Silje Skeide; Milenko, Karolina Barbara; Larsen Jernelv, Ine; Ellingsen, Reinold; Aksnes, Astrid; Hjelme, Dag Roar. (2018) A miniaturized ball-lensed fiber optic NIR transmission spectroscopy-based glucose sensor. Optics Info Base, Optical Society of America
Academic chapter/article/Conference paper
Yadav, Mukesh; Høvik, Jens; Hjelme, Dag Roar; Aksnes, Astrid. (2018) Sensitivity enhanced biophotonic sensor utilizing sub-wavelength gratings. Proceedings of SPIE, the International Society for Optical Engineering
Academic article

2013

Leirset, Erlend; Engan, Helge Emil; Aksnes, Astrid . (2013) Heterodyne interferometer for absolute amplitude vibration measurements with femtometer sensitivity. Optics Express
Academic article

2012

Egge, Sigbjørn Vindenes; Österberg, Ulf Lennart; Aksnes, Astrid . (2012) Performance of correlated speckle patterns for speckle reduction in laser projectors. Proceedings of SPIE, the International Society for Optical Engineering
Academic article
Tong, Zhaomin; Chen, Xuyuan; Akram, Muhammad Nadeem; Aksnes, Astrid . (2012) Compound Speckle Characterization Method and Reduction by Optical Design. IEEE/OSA Journal of Display Technology
Academic article
Zero, Oleg; Aksnes, Astrid . (2012) Sensitivity limits of guided modes in silicon integrated waveguide-based sensors. Proceedings of SPIE, the International Society for Optical Engineering
Academic article
Zero, Oleg; Aksnes, Astrid . (2012) Investigation of parallel coupling mechanisms in silicon integrated chip sensors. Proceedings of SPIE, the International Society for Optical Engineering
Academic article

2011

Leirset, Erlend; Aksnes, Astrid . (2011) Optical vibration measurements of cross coupling effects in capacitive micromachined ultrasonic transducer arrays. Proceedings of SPIE, the International Society for Optical Engineering
Academic article
Gastinger, Kay; Johnsen, Lars; Simonsen, Ove; Aksnes, Astrid . (2011) Inspection of processes during silicon wafer sawing using low coherence interferometry in the near infrared wavelength region. Proceedings of SPIE, the International Society for Optical Engineering
Academic article
Leirset, Erlend; Rønnekleiv, Arne; Aksnes, Astrid . (2011) Radiation pattern deterioration for phase steered capacitive micromachined ultrasonic transducer arrays due to cross coupling. IEEE International Ultrasonics Symposium Proceedings
Academic article
Egge, Sigbjørn Vindenes; Akram, Muhammad Nadeem; Kartashov, Vladimir; Welde, Kristine; Tong, Zhaomin; Österberg, Ulf. (2011) Sinusoidal rotating grating for speckle reduction in laser projectors: feasibility study. Optical Engineering: The Journal of SPIE
Academic article
Egge, Sigbjørn Vindenes; Akram, Muhammad Nadeem; Kartashov, Vladimir; Welde, Kristine; Tong, Zhaomin; Österberg, Ulf. (2011) Errata: Sinusoidal rotating grating for speckle reduction in laser projectors: feasibility study. Optical Engineering: The Journal of SPIE
Errata
Larsen, Eivind La Puebla; Randeberg, Lise Lyngsnes; Olstad, Elisabeth; Haugen, Olav Anton; Aksnes, Astrid ; Svaasand, Lars O.. (2011) Hyperspectral imaging of atherosclerotic plaques in vitro. Journal of Biomedical Optics
Academic article
Egge, Sigbjørn Vindenes; Akram, Muhammad Nadeem; Kartashov, Vladimir; Welde, Kristine; Tong, Zhaomin; Österberg, Ulf Lennart. (2011) Reducing unwanted intensity fluctuations in laser-projected images. SPIE Newsroom
Popular scientific article

2009

Martinussen, Hanne; Aksnes, Astrid ; Leirset, Erlend; Engan, Helge Emil. (2009) CMUT characterization by interferometric and electric measurements. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
Academic article
Randeberg, Lise Lyngsnes; Larsen, Eivind La Puebla; Aksnes, Astrid ; Haugen, Olav Anton; Svaasand, Lars O.. (2009) Hyperspectral Characterization of Atherosclerotic Plaques. Proceedings of SPIE, the International Society for Optical Engineering
Academic article
Randeberg, Lise Lyngsnes; Larsen, Eivind La Puebla; Aksnes, Astrid ; Svaasand, Lars O.. (2009) Hyperspectral characterization of atherosclerotic plaques. SPIE - The International Society for Optics and Photonics
Academic chapter/article/Conference paper
Aksnes, Astrid . (2009) Photonic sensors for health and environmental monitoring. Springer Science+Business Media B.V.
Academic chapter/article/Conference paper

2008

Aksnes, Astrid ; Amzajerdian, Farzin. (2008) Materials and Devices for Laser Remote Sensing and Optical Communication, MRS Proceedings Volume 1076. Materials Research Society Materials Research Society
Academic anthology/Conference proceedings
Aksnes, Astrid ; Leirset, Erlend; Martinussen, Hanne; Engan, Helge Emil. (2008) Modeling and optical characterization of vibrating micro- and nanostructures. SPIE - The International Society for Optics and Photonics
Academic chapter/article/Conference paper
Martinussen, Hanne; Leirset, Erlend; Engan, Helge Emil; Aksnes, Astrid . (2008) Modeling and optical investigations of vibrating surfaces.
Academic chapter/article/Conference paper

2007

Martinussen, Hanne; Aksnes, Astrid ; Engan, Helge Emil. (2007) Wide frequency range measurements of absolute phase and amplitude of vibrations in micro- and nanostructures by optical interferometry. Optics Express
Academic article
Martinussen, Hanne; Aksnes, Astrid ; Engan, Helge Emil; Rønnekleiv, Arne. (2007) Optical Measurement Systems for Industrial Inspection V, Vol. 6616, Interferometric characterization of capacitor micromachined ultrasonic transducers and validation by electrical measurements. SPIE - The International Society for Optics and Photonics SPIE - The International Society for Optics and Photonics
Academic anthology/Conference proceedings

2006

Martinussen, Hanne; Aksnes, Astrid ; Engan, Helge Emil. (2006) Heterodyne interferometry for acoustic vibrations.
Academic chapter/article/Conference paper
Aksnes, Astrid ; Martinussen, Hanne; Engan, Helge Emil. (2006) Characterization of acoustic vibrations on micro- and nanostructures with picometer sensitivity. SPIE - The International Society for Optics and Photonics
Academic chapter/article/Conference paper
Martinussen, Hanne; Aksnes, Astrid ; Engan, Helge Emil. (2006) High Sensitivity vibration measurements with absolute calibration.
Academic chapter/article/Conference paper
Aksnes, Astrid . (2006) Smart Microsystems in Diagnostic Imaging (SMiDA), an introduction.
Academic chapter/article/Conference paper
Martinussen, Hanne; Aksnes, Astrid ; Engan, Helge Emil. (2006) Heterodyne interferometry for high sensitivity absolute amplitude vibrational measurements. SPIE - The International Society for Optics and Photonics
Academic chapter/article/Conference paper

2005

Aksnes, Astrid ; Amzajerdian, Farzin; Killinger, Dennis; Merhari, Lhadi. (2005) Advanced Devices and Materials for Laser Remote Sensing. Materials Research Society Materials Research Society
Academic anthology/Conference proceedings

1998

Fagerberg, Ragnar; Johnsen, Lars; Rambech, Jan Stewart; Neegård, Steinar; Dyrseth, Astrid Aksnes; Nossum, Bård. (1998) Electrically Addressed Smectic-A LCDs and Their Liquid-Crystal Microstructure. SID INTERNATIONAL SYMPOSIUM DIGEST OF TECHNICAL PAPERS
Academic article

1997

Skatter, Sondre; Dyrseth, Astrid Aksnes. (1997) Vibration modes of logs measured by TV holography. Wood and Fiber Science
Academic article
Dyrseth, Astrid Aksnes; Spooren, Rudie. (1997) Measuring mixing dynamics of transparent fluids with electronic speckle pattern interferometry. Applied Optics
Academic article
Dyrseth, Astrid Aksnes; Skatter, Sondre. (1997) Vibration analysis of logs with electronic speckle pattern interferometry. Applied Optics
Academic article

1996

Dyrseth, Astrid Aksnes. (1996) Measurement of plant movement in young and mature plants using electronic speckle pattern interferometry. Applied Optics
Academic article
Skatter, Sondre; Dyrseth, Astrid Aksnes. (1996) Modal analysis of softwood logs by TV holography.
Academic chapter/article/Conference paper
Dyrseth, Astrid Aksnes. (1996) Electronic speckle pattern interferometry: new applications in biophysics. SPIE - The International Society for Optics and Photonics
Academic chapter/article/Conference paper

Part of book/report

Yallew, Henock Demessie; Vlk, Marek; Datta, Anurup; Alberti, Sebastian; Høvik, Jens; Aksnes, Astrid. (2022) Silicon-on-Insulator (SOI) Slot Waveguide for Methane Absorption Sensing in the Mid-Infrared. Optica Publishing Group
Other
Johnsen, Håkon Jarand Dugstad; Torgersen, Jan; Aksnes, Astrid. (2019) High-concentration wide-angle tracking integration with stacked lens arrays. AIP Publishing (American Institute of Physics)
Academic chapter/article/Conference paper
Johnsen, Håkon Jarand Dugstad; Torgersen, Jan; Aksnes, Astrid. (2018) Solar tracking using beam-steering lens arrays. SPIE - The International Society for Optics and Photonics
Academic chapter/article/Conference paper
Milenko, Karolina Barbara; Larsen Jernelv, Ine; Fuglerud, Silje Skeide; Aksnes, Astrid; Ellingsen, Reinold; Hjelme, Dag Roar. (2018) Towards Fiber-Optic Raman Spectroscopy for Glucose Sensing. Optics Info Base, Optical Society of America
Academic chapter/article/Conference paper
Larsen Jernelv, Ine; Milenko, Karolina Barbara; Ellingsen, Reinold; Hjelme, Dag Roar; Aksnes, Astrid. (2018) Improving Multivariate Analysis in Mid-Infrared Spectroscopy for Biosensing. Optics Info Base, Optical Society of America
Academic chapter/article/Conference paper
Fuglerud, Silje Skeide; Milenko, Karolina Barbara; Larsen Jernelv, Ine; Ellingsen, Reinold; Aksnes, Astrid; Hjelme, Dag Roar. (2018) A miniaturized ball-lensed fiber optic NIR transmission spectroscopy-based glucose sensor. Optics Info Base, Optical Society of America
Academic chapter/article/Conference paper
Randeberg, Lise Lyngsnes; Larsen, Eivind La Puebla; Aksnes, Astrid ; Svaasand, Lars O.. (2009) Hyperspectral characterization of atherosclerotic plaques. SPIE - The International Society for Optics and Photonics
Academic chapter/article/Conference paper
Aksnes, Astrid . (2009) Photonic sensors for health and environmental monitoring. Springer Science+Business Media B.V.
Academic chapter/article/Conference paper
Aksnes, Astrid ; Leirset, Erlend; Martinussen, Hanne; Engan, Helge Emil. (2008) Modeling and optical characterization of vibrating micro- and nanostructures. SPIE - The International Society for Optics and Photonics
Academic chapter/article/Conference paper
Martinussen, Hanne; Leirset, Erlend; Engan, Helge Emil; Aksnes, Astrid . (2008) Modeling and optical investigations of vibrating surfaces.
Academic chapter/article/Conference paper
Martinussen, Hanne; Aksnes, Astrid ; Engan, Helge Emil. (2006) Heterodyne interferometry for acoustic vibrations.
Academic chapter/article/Conference paper
Aksnes, Astrid ; Martinussen, Hanne; Engan, Helge Emil. (2006) Characterization of acoustic vibrations on micro- and nanostructures with picometer sensitivity. SPIE - The International Society for Optics and Photonics
Academic chapter/article/Conference paper
Martinussen, Hanne; Aksnes, Astrid ; Engan, Helge Emil. (2006) High Sensitivity vibration measurements with absolute calibration.
Academic chapter/article/Conference paper
Aksnes, Astrid . (2006) Smart Microsystems in Diagnostic Imaging (SMiDA), an introduction.
Academic chapter/article/Conference paper
Martinussen, Hanne; Aksnes, Astrid ; Engan, Helge Emil. (2006) Heterodyne interferometry for high sensitivity absolute amplitude vibrational measurements. SPIE - The International Society for Optics and Photonics
Academic chapter/article/Conference paper
Skatter, Sondre; Dyrseth, Astrid Aksnes. (1996) Modal analysis of softwood logs by TV holography.
Academic chapter/article/Conference paper
Dyrseth, Astrid Aksnes. (1996) Electronic speckle pattern interferometry: new applications in biophysics. SPIE - The International Society for Optics and Photonics
Academic chapter/article/Conference paper

Report

Schwermer, Silje Fuglerud; Hjelme, Dag Roar; Aksnes, Astrid; Milenko, Karolina Barbara. (2022) Near Infrared Spectroscopy for Continuous Glucose Monitoring. Doctoral theses at NTNU (184)
Doctoral dissertation
Jernelv, Ine Larsen; Hjelme, Dag Roar; Aksnes, Astrid. (2020) Mid-Infrared Tuneable Laser Spectroscopy for Glucose Sensing. Doktoravhandlinger ved NTNU (ISSN 1503-8181)
Doctoral dissertation
Johansen, Finn-Eirik; Brautaset, Trygve; Aune, Marie Hjelmseth; Patriksson, Alexandra; Falkenberg, Liv Eggset; Kleppe, Rune. (2018) Centre for Digital Life Norway - Annual report 2017. Senter for Digialt Liv Norge
Report

Teaching

Courses

Outreach

2024

Academic lecture

Yadav, Mukesh; Hjelme, Dag Roar; Aksnes, Astrid. (2024) Optical On-chip Xenobiotic Sensor. Norwegian Physical Society Norwegian Electro-optics Meeting 2024 , Oscarsborg Fortress Hotel and Resort, Oslo 2024-05-21 - 2024-05-24
Poster

Salaj, Jehona; Zakoldaev, Roman; Seton, Ragnar Alexander; Vlk, Marek; Aksnes, Astrid; Jagerska, Jana. (2024) Isotope ratio measurements using on-chip laser absorption spectroscopy. TNNN - Research School for Training the Next Generation of Micro- and Nanotechnology Researchers in Norway TNNN Conference 2024 , Oslo, Norway 2024-06-06 - 2024-06-08
Poster

Salaj, Jehona; Vlk, Marek; Høvik, Jens; Alberti, Sebastian; Aksnes, Astrid; Jagerska, Jana. (2024) Fabrication of free-standing waveguides with microstructured 2D subwavelength cladding using maskless lithography . Nordic Nanolab Network Nordic NanoLab User Meeting (NNUM 2024) , Oslo, Norway 2024-06-03 - 2024-06-04
Academic lecture

Dong, Chao; Ren, Dingding; Høvik, Jens; Khan, Md Istiak; Aksnes, Astrid; Fimland, Bjørn Ove Myking. (2024) Hybrid germanium-on-zinc selenide waveguides for longwave infrared integrated photonics. CLEO CLEO: Applications and Technology 2024 , Charlotte, North Carolina, USA 2024-05-05 - 2024-05-10
Academic lecture

Dong, Chao; Ren, Dingding; Høvik, Jens; Khan, Md Istiak; Aksnes, Astrid; Fimland, Bjørn Ove Myking. (2024) Hybrid integrated germanium-on-zinc selenide waveguides for enhanced longwave infrared sensing. SPIE Infrared Sensors, Devices, and Applications XIV , San Diego, California, USA 2024-09-18 - 2024-09-22

2023

Poster

Salaj, Jehona; Vlk, Marek; Zakoldaev, Roman; Høvik, Jens; Aksnes, Astrid; Jagerska, Jana. (2023) On-chip spectroscopy with membrane waveguides at low pressure. TNNN - Research School for Training the Next Generation of Micro- and Nanotechnology Researchers in Norway TNNN Conference 2023 , Vestfold, Norway 2023-06-21 - 2023-06-23
Lecture

Salaj, Jehona; Vlk, Marek; Høvik, Jens; Aksnes, Astrid; Jagerska, Jana. (2023) Free-standing thin-film waveguide for PIC-based mid-IR trace gas sensing. SPIE SPIE Future Sensing Technologies 2023 , Yokohama 2023-04-18 - 2023-04-21

2022

Lecture

Salaj, Jehona; Vlk, Marek; Høvik, Jens; Yallew, Henock Demessie; Aksnes, Astrid; Jagerska, Jana. (2022) Free-standing photonic crystal waveguides for on-chip spectroscopic detection of CO2. Norwegian Physical Society Norwegian Electro-Optics Meeting 2022 , Røros, Norway 2022-09-07 - 2022-09-09
Lecture

Salaj, Jehona; Vlk, Marek; Yallew, Henock Demessie; Høvik, Jens; Aksnes, Astrid; Jagerska, Jana. (2022) CO2 isotope detection in the MIR with free-standing thin-film SiNx waveguides. CNRS, the Association of the University of Grenoble Alps and the Grenoble Institute of Technology, Region Auvergne Rhone-Alpes, UGA-GINP, EMIE, French Physical Society (SFP) Field Laser Applications in Industry and Research (FLAIR) 2022 , Aix-les-Bains, France 2022-09-12 - 2022-09-16
Lecture

Salaj, Jehona; Vlk, Marek; Yallew, Henock Demessie; Høvik, Jens; Aksnes, Astrid; Jagerska, Jana. (2022) Free-standing SiNx waveguides for on-chip CO2 isotope detection. TNNN - Research School for Training the Next Generation of Micro- and Nanotechnology Researchers in Norway, NorFab TNNN conference and Norwegian Nano Symposium 2022 , Trondheim, Norway 2022-11-30 - 2024-12-02
Poster

Salaj, Jehona; Vlk, Marek; Høvik, Jens; Aksnes, Astrid; Jagerska, Jana. (2022) Free-standing waveguides for on- chip trace-gas sensing. ePiXfab 7th ePIXfab Silicon Photonics Summer School , Saclay, Paris, France 2022-06-20 - 2022-06-24

2021

Lecture

Salaj, Jehona; Vlk, Marek; Aksnes, Astrid; Jagerska, Jana. (2021) Photonic crystal supported membrane waveguide for spectroscopic CO2 sensing. NTNU Nano Norwegian Nano Symposium 2021 , Trondheim 2021-10-05 - 2022-10-06
Poster

Fuglerud, Silje Skeide; Ellingsen, Reinold; Aksnes, Astrid; Hjelme, Dag Roar. (2021) Interfering substances for glucose sensing by near-infrared spectroscopy. Kernes ATTD , Digital 2021-06-02 - 2021-06-05
Poster

Vlk, Marek; Datta, Anurup; Alberti, Sebastian; Murugan, Ganapathy Senthil; Aksnes, Astrid; Jagerska, Jana. (2021) Selective Under-Etching of Free-Standing Tantalum Pentoxide Waveguides for MIR Gas Spectroscopy. Centro Congressi Internazionale srl Micro and Nano Engineering Conference , Turin, Italy 2021-09-20 - 2021-09-23
Lecture

Vlk, Marek; Datta, Anurup; Alberti, Sebastian; Aksnes, Astrid; Murugan, Ganapathy Senthil; Jagerska, Jana. (2021) High-Aspect-Ratio Free-Standing Membrane Waveguides for Mid-Infrared Nanophotonics. OPTICA 2021 Conference on Lasers and Electro-Optics (CLEO) , Online 2021-05-09 - 2021-05-14

2020

Academic lecture

Yadav, Mukesh; Noh, Jong Wook; Hjelme, Dag Roar; Aksnes, Astrid. (2020) Hybrid ring resonator sensor with high quality factor and wide dynamic range. OSA The optical Society OSA Optical Sensors and Sensing Congress , Digital 2020-06-22 - 2020-06-26
Academic lecture

Aksnes, Astrid. (2020) Lab-on-a-chip: Biophotonic sensor platform for diagnostics 2020. Digital Life Norway Centre Digital Life Norway Conference , Trondheim 2020-11-19 - 2020-11-19
Academic lecture

Jernelv, Ine Larsen; Strøm, Karina; Hjelme, Dag Roar; Aksnes, Astrid. (2020) Mid-infrared spectroscopy with a fiber-coupled tuneable quantum cascade laser for glucose sensing. SPIE Photonics West , San Francisco 2020-02-01 - 2020-02-06
Academic lecture

Johnsen, Håkon Jarand Dugstad; Aksnes, Astrid; Torgersen, Jan. (2020) Beam-steering lens arrays and ètendue-squeezing: a pathway towards a new class of solar concentrators?. International Society for Optics and Photonics Nonimaging Optics: Efficient Design for Illumination and Solar Concentration XVII 2020-08-24 -
Academic lecture

Jernelv, Ine Larsen; Høvik, Jens; Hjelme, Dag Roar; Aksnes, Astrid. (2020) Signal enhancement in microstructured silicon attenuated total reflection elements with quantum cascade laser-based spectroscopy. SPIE Photonics Europe 2020-04-06 - 2020-04-10

2019

Academic lecture

Johnsen, Håkon Jarand Dugstad; Torgersen, Jan; Aksnes, Astrid. (2019) High-Concentration Wide-Angle Tracking Integration with Stacked Lens Arrays. The 15th International Conference on Concentrator Photovoltaics (CPV-15) 2019-03-25 - 2019-03-27
Academic lecture

Johnsen, Håkon Jarand Dugstad; Torgersen, Jan; Aksnes, Astrid. (2019) Beam-steering lens arrays for solar tracking. NTNU Young Researcher Clean Energy Forum First NTNU Young Researcher Clean Energy Symposium , Trondheim 2019-02-09 - 2019-02-09
Poster

Johnsen, Håkon Jarand Dugstad; Torgersen, Jan; Aksnes, Astrid. (2019) Tracking-Integrated Solar Energy Using Stacked Lens Arrays. Norwegian Solar Cell Conference (NSCC) 2019 2019-05-20 - 2019-05-21
Academic lecture

Fuglerud, Silje Skeide; Milenko, Karolina Barbara; Ellingsen, Reinold; Aksnes, Astrid; Martens, Harald Aagaard; Hjelme, Dag Roar. (2019) Aqueous glucose sensing by fiber-based near-infrared spectroscopy. Nofima Scandinavian symposium on Chemometrics 16 , Oslo 2019-06-17 - 2019-06-20
Academic lecture

Fuglerud, Silje Skeide; Milenko, Karolina Barbara; Ellingsen, Reinold; Aksnes, Astrid; Hjelme, Dag Roar. (2019) Feasibility of supercontinuum sources for use in glucose sensing by absorption spectroscopy. SPIE/OSA European Conferences on Biomedical Optics , Munchen 2019-06-23 - 2019-06-27
Academic lecture

Johnsen, Håkon Jarand Dugstad; Torgersen, Jan; Aksnes, Astrid. (2019) Design and fabrication of beam steering lens arrays through raytracing and maskless grayscale lithography. 10th Annual Workshop of the Norwegian PhD Network on Nanotechnology for Microsystems 2019-06-17 - 2019-06-19
Poster

Yadav, Mukesh; Noh, Jong Wook; Høvik, Jens; Aksnes, Astrid. (2019) Fabrication and characterization of silicon photonic sensor. Centre for Digital Life Norway (DLN) Digital Life 2019 , Tromsø 2019-09-05 - 2019-09-06
Academic lecture

Jernelv, Ine Larsen; Hjelme, Dag Roar; Ellingsen, Reinold; Aksnes, Astrid. (2019) Quantum Cascade Lasers in Biomedicine and Nanotechnology. Nano-Network Nano-Network Workshop , Tromsø 2019-06-17 - 2019-06-19
Academic lecture

Johnsen, Håkon Jarand Dugstad; Aksnes, Astrid; Torgersen, Jan. (2019) Pushing the limits of beam-steering lens arrays. SPIE Optics + Photonics 2019 2019-08-13 - 2019-08-15
Poster

Noh, Jong Wook; Yadav, Mukesh; Høvik, Jens; Aksnes, Astrid. (2019) Near-vertical Subwavelength Nanostructure Grating Coupler for Silicon Nanophotonic Devices. NTNU Norwegian NanoSymposium 2019 , NTNU 2019-10-16 - 2019-10-17
Poster

Yadav, Mukesh; Høvik, Jens; Noh, Jong Wook; Hjelme, Dag Roar; Aksnes, Astrid. (2019) Silicon photonic waveguide sensor. NTNU Nano, the NanoNetwork, the Research Council of Norway Norwegian Nano Symposium 2019 , Trondheim 2019-10-16 - 2019-10-17
Poster

Aksnes, Astrid; Høvik, Jens; Yadav, Mukesh; Noh, Jong Wook; Arnfinnsdottir, Nina Bjørk; Øvreeide, Ingrid Haga. (2019) Lab-on-a-chip platform for early detection of disease biomarkers. Digital Life Norway Centre Digital Life 2019 , Clarion Hotel Edge, Tromsø 2019-09-05 - 2019-09-06
Academic lecture

Aksnes, Astrid; Høvik, Jens; Yadav, Mukesh; Noh, Jong Wook; Hjelme, Dag Roar; Milenko, Karolina Barbara. (2019) Photonics activities at IES: LOC biosensor project and Artificial intraperitoneal pancreas project. UiT Seminar at UiT , Tromsø 2019-09-05 - 2019-09-05

2018

Academic lecture

Høvik, Jens; Arnfinnsdottir, Nina Bjørk; Yadav, Mukesh; Aksnes, Astrid. (2018) Lab-on-a-chip photonic biosensor for detection of antigens. SPIE, The International Society for Optics and Photonics SPIE International Symposium on Optics + Photonics 2018 , San Diego 2018-08-19 - 2018-08-23
Poster

Yadav, Mukesh; Noh, Jong Wook; Aksnes, Astrid. (2018) Conformal high aspect ratio fill using RF sputtering. NTNU, Trondheim NTNU Nanosymposium 2018 , Trondheim 2018-11-28 - 2018-11-29
Academic lecture

Johnsen, Håkon Jarand Dugstad; Torgersen, Jan; Aksnes, Astrid. (2018) Solar tracking using beam-steering lens arrays. SPIE, the international society for optics and photonics SPIE Optics + Photonics 2018 , San Diego 2018-08-19 -
Academic lecture

Vlk, Marek; Murugan, Ganapathy Senthil; Aksnes, Astrid; Jágerská, Jana. (2018) Ta2O5 rib waveguides for optical gas sensing in the mid-infrared. Norwegian Electro-Optics Meeting 2018 2018-06-02 - 2018-06-04
Academic lecture

Yadav, Mukesh; Høvik, Jens; Aksnes, Astrid. (2018) Highly sensitive lab-on-a-chip biosensor utilizing phase-modulated Mach-Zehnder interferometer. Optical Society of America Advanced Photonics 2018 Congress , ETH Zurich, Switzerland 2018-07-02 - 2018-07-05
Academic lecture

Jernelv, Ine Larsen; Milenko, Karolina Barbara; Ellingsen, Reinold; Hjelme, Dag Roar; Aksnes, Astrid. (2018) Developing a Mid-Infrared Spectroscopy System for Biomedical Sensing. Norwegian Electro-Optics Meeting , Henningsvær 2018-05-02 - 2018-05-04
Poster

Høvik, Jens; Arnfinnsdottir, Nina Bjørk; Aksnes, Astrid. (2018) A comparative study of photonic transducers for lab-on-a-chip biosensors. Elsevier 28th Anniversary World Congress on Biosensors , Miami 2018-06-12 - 2018-06-15
Poster

Høvik, Jens; Aksnes, Astrid. (2018) Loss reduction of electron-beam lithography fabricated strip wire waveguide bends. Optical Society of America Advanced Photonics 2018 Congress , ETH Zurich, Switzerland 2018-07-02 - 2018-07-05
Poster

Høvik, Jens; Aksnes, Astrid. (2018) Experimental validation of a 2D approximation method for investigating photonic components: case study refractive index sensor. SPIE, The International Society for Optics and Photonics SPIE International Symposium on Optics + Photonics 2018 , San Diego 2018-08-19 - 2018-08-23
Poster

Yadav, Mukesh; Høvik, Jens; Hjelme, Dag Roar; Aksnes, Astrid. (2018) Sensitivity enhanced biophotonic sensor utilizing sub-wavelength gratings. SPIE, The International Society for Optics and Photonics SPIE International Symposium on Optics + Photonics 2018 , San Diego, California, USA 2018-08-19 - 2018-08-23
Poster

Milenko, Karolina Barbara; Jernelv, Ine Larsen; Fuglerud, Silje Skeide; Aksnes, Astrid; Ellingsen, Reinold; Hjelme, Dag Roar. (2018) Glucose monitoring with optical fiber based Raman spectroscopy. Norwegian Electro-Optics Meeting 2018-05-02 - 2018-05-04
Poster

Larsen Jernelv, Ine; Milenko, Karolina Barbara; Ellingsen, Reinold; Hjelme, Dag Roar; Aksnes, Astrid. (2018) Improving Multivariate Analysis in Mid-Infrared Spectroscopy for Biosensing. Optical Society of America Advanced Photonics Congress , Zürich 2018-07-02 - 2018-07-05
Interview

Arlov, Øystein; Haslene-Hox, Hanne; Eikenes, Åsmund H.; Carlsen, Sven Magnus; Aksnes, Astrid. (2018) Tett på livet med digital forskning. [Internet] 2018-08-23
Lecture

Aksnes, Astrid. (2018) Research at the Nanoelectronics and Photonics Group, NTNU. Norsk fysisk selskap Norwegian Electro-Optics Meeting , Henningsvær 2018-04-02 - 2018-04-04
Interview

Aksnes, Astrid. (2018) Diagnostikk på små biosensorer Podcast #154, Tema: BioTech Ekspørt: Astrid Aksnes, Professor, Institutt for elektroniske systemer, NTNU Med Lørner Silvija Seres https://lorn.tech/lorn-pod/154-diagnostistikk-pa-sma-biosensorer-astrid-aksnes/. https://lorn.tech/lorn-pod/154-diagnostistikk-pa-sma-biosens https://lorn.tech/lorn-pod/154-diagnostistikk-pa-sma-biosens [Internet] 2018-12-06
Academic lecture

Aksnes, Astrid; Høvik, Jens; Yadav, Mukesh; Noh, Jong Wook. (2018) Silicon-on-insulator photonic biosensor. NTNU Nanolab NTNU Nano Symposium 2018 , Trondheim 2018-11-28 - 2018-11-29
Lecture

Johnsen, Håkon Jarand Dugstad; Torgersen, Jan; Aksnes, Astrid. (2018) Beam-steering lens arrays for solar tracking. NTNU Nano NTNU Nano Symposium 2018 , Trondheim 2018-11-28 - 2018-11-29
Poster

Arnfinnsdottir, Nina Bjørk; Høvik, Jens; Aksnes, Astrid; Stokke, Bjørn Torger. (2018) Correlation of surface characteristics with photonic biosensor performance. Elsevier 28th Anniversary World Congress on Biosensors , Miami 2018-06-12 - 2018-06-15
Academic lecture

Fuglerud, Silje Skeide; Milenko, Karolina Barbara; Larsen Jernelv, Ine; Ellingsen, Reinold; Aksnes, Astrid; Hjelme, Dag Roar. (2018) A miniaturized ball-lensed fiber optic NIR transmission spectroscopy-based glucose sensor. The Optical Society OSA Advanced Photonics Congress , Zürich 2018-07-02 - 2018-07-05
Poster

Milenko, Karolina Barbara; Larsen Jernelv, Ine; Fuglerud, Silje Skeide; Aksnes, Astrid; Ellingsen, Reinold; Hjelme, Dag Roar. (2018) Towards Fiber-Optic Raman Spectroscopy for Glucose Sensing. OSA OSA Advanced Photonics Congress , Zurich 2018-07-02 - 2018-07-05
Poster

Yadav, Mukesh; Aksnes, Astrid. (2018) Phase-modulated Mach-Zehnder interferometer sensor. Norwegian Physical Society Norwegian Electro-optics meeting 2018 , Henningsvær, Lofoten 2018-05-02 - 2018-05-04
Lecture

Aksnes, Astrid. (2018) Digital Life Board Meeting: Lab-on-a-chip biophotonic sensor project: status and plans . Digital Life Norway Centre Digital Life Board Meeting , Værnes 2018-11-23 - 2018-11-23

2017

Interview

Aksnes, Astrid. (2017) Utvikler laboratorium på én brikke. Elektronikk 03/2017 Elektronikk 03/2017 [Business/trade/industry journal] 2017-03-01
Poster

Arnfinnsdottir, Nina Bjørk; Øvreeide, Ingrid Haga; Aksnes, Astrid; Mielnik, Michal Marek; Stokke, Bjørn Torger; Halaas, Øyvind. (2017) Lab-On-a-Chip Biophotonic Sensor Platform: Biofunctionalization and Microfluidic Design. Digitalt Liv Norge Digital Life Norway , Oslo 2017-03-20 - 2017-03-21
Poster

Milenko, Karolina Barbara; Jernelv, Ine Larsen; Aksnes, Astrid; Ellingsen, Reinold; Carlsen, Sven Magnus; Hjelme, Dag Roar. (2017) Raman spectroscopy for continuous glucose monitoring. Centre for Digital Life Norway Digital Life 2017 , Oslo 2017-03-20 -
Lecture

Milenko, Karolina Barbara; Jernelv, Ine Larsen; Aksnes, Astrid; Ellingsen, Reinold; Carlsen, Sven Magnus; Hjelme, Dag Roar. (2017) Optical Fiber Probe based on Raman Spectroscopy for Continuous Glucose Monitoring. 9th International Conference on Advanced Vibrational Spectroscopy , Victoria BC 2017-06-11 - 2017-06-16
Poster

Larsen Jernelv, Ine; Milenko, Karolina Barbara; Carlsen, Sven Magnus; Ellingsen, Reinold; Hjelme, Dag Roar; Aksnes, Astrid. (2017) Quantitative Measurements of Glucose Solutions Using Mid-Infrared Spectroscopy. Digital Life Digital Life 2017 , Oslo 2017-03-20 - 2017-03-21
Poster

Larsen Jernelv, Ine; Milenko, Karolina Barbara; Hjelme, Dag Roar; Ellingsen, Reinold; Carlsen, Sven Magnus; Aksnes, Astrid. (2017) Optimising Multivariate Models for Glucose Measurements in an ATR-FTIR Spectrometer. ICAVS9 , Victoria 2017-06-11 - 2017-06-16
Lecture

Aksnes, Astrid. (2017) Lab-on-a-chip biophotonic sensor platform. Dept. of Mechanical and Industrial Engineering, Jan Hansen Fritz Prinz seminar , Trondheim 2017-12-08 - 2017-12-08
Academic lecture

Yadav, Mukesh; Høvik, Jens; Aksnes, Astrid. (2017) Optical Waveguides and Gratings. Nanolab NTNU Nano@NTNU Symposium 2017 , NTNU, Trondheim, Norway 2017-12-06 - 2017-12-07
Poster

Høvik, Jens; Aksnes, Astrid. (2017) A study on the optical properties of amorphous silicon. NTNU Nanolab Nano@NTNU symposium 2017 , Trondheim 2017-12-06 - 2017-12-07
Poster

Høvik, Jens; Aksnes, Astrid. (2017) Lab-on-a-Chip Biophotonic Sensor Platform: Frequency separated multiplexed optical biosensing. Digital Life Norway Digital Life Norway first annual meeting , Oslo 2017-03-19 - 2017-03-20
Poster

Høvik, Jens; Aksnes, Astrid. (2017) Ring resonators as refractive index sensors. Nano Network Nano Network 8th annual workshop , Bergen 2017-06-12 - 2017-06-14
Academic lecture

Aksnes, Astrid. (2017) Lab-on-a-chip Biophotonic Sensor Platform for Rapid Disease Diagnosis. Digital Life Centre Digital Life Norway Conference , Oslo 2017-03-19 - 2017-03-21

2016

Academic lecture

Aksnes, Astrid. (2016) Lab-on-a-chip biophotonic sensor platform for diagnostics. Digitalt Liv Norge, NTNU Digitalt Liv Norge , Trondheim 2016-04-19 - 2016-04-20
Poster

Høvik, Jens; Aksnes, Astrid. (2016) A study of approximations for accurate two-dimensional simulations of photonic SOI components. Optical Society of America Integrated Photonics Research, Silicon and Nanophotonics 2016 , Vancouver 2016-07-18 - 2016-07-20
Academic lecture

Høvik, Jens; Aksnes, Astrid. (2016) Fabrication of photonic components for integrated lab-on-a-chip biosensor. NTNU Nanolab Nano@ntnu 2016 symposium , Trondheim 2016-11-17 - 2016-11-18
Poster

Høvik, Jens; Aksnes, Astrid. (2016) Photonic Crystal Resonators as Transduction Elements for Biosensing. Norwegian Physical Society and the Department of Physics and Norwegian Electro-Optics Meeting 2016 , Voss, Bergen 2016-04-13 - 2016-04-15

2015

Poster

Høvik, Jens; Aksnes, Astrid. (2015) ICP-RIE shallow etching of silicon for photonic components. Nano Network Nano Network 6th annual workshop , Oslo 2015-06-15 - 2015-06-17

2014

Academic lecture

Aksnes, Astrid . (2014) Sensor technology and optical imaging for biomedical applications. Rice University NorTex Summit , Houston, Texas 2014-10-12 - 2014-12-15

2013

Academic lecture

Aksnes, Astrid ; Leirset, Erlend. (2013) Heterodyne interferometer with femtometer sensitivity for high frequency vibrations. SPIE, Chinese Society of Astronautics International Symposium on Photoelectric Detection and Imaging 2013 , Beijing 2013-06-25 - 2013-06-27

2011

Poster

Leirset, Erlend; Aksnes, Astrid . (2011) Optical vibration measurements of cross coupling effects in capacitive micromachined ultrasonic transducer arrays. SPIE Optical Metrology 2011 , München 2011-05-23 - 2011-05-26
Academic lecture

Leirset, Erlend; Rønnekleiv, Arne; Aksnes, Astrid . (2011) Radiation pattern deterioration for phase steered capacitive micromachined ultrasonic transducer arrays due to cross coupling. IEEE 2011 IEEE International Ultrasonics Symposium , Orlando 2011-10-18 - 2011-10-21

2010

Academic lecture

Egge, Sigbjørn Vindenes; Akram, Muhammad Nadeem; Kartashov, Vladimir; Østerberg, Ulf Lennart; Aksnes, Astrid . (2010) Speckle reduction using a sinusoidal rotating grating. ITE, SID The 17th International Display Workshops , Fukuoka 2010-12-01 - 2010-12-03
Academic lecture

Aksnes, Astrid ; Leirset, Erlend; Åldstedt, Mats Marhaug; Martinussen, Hanne; Engan, Helge Emil. (2010) Heterodyne interferometer characterization of capacitive micromachined ultrasonic transducers. Norsk Elektro Optikk Norsk Elektro Optikks 25 year anniversary symposium , Oslo 2010-06-11 - 2010-06-11
Poster

Egge, Sigbjørn Vindenes; Akram, Muhammad Nadeem; Kartashov, Vladimir; Welde, Kristine; Tong, Zhaomin; Østerberg, Ulf Lennart. (2010) Speckle reduction using a sinusoidal rotating grating. Norsk fysisk selskap Norwegian Electro-optics Meeting , Ålesund 2010-04-07 - 2010-04-09
Poster

Åldstedt, Mats Marhaug; Leirset, Erlend; Aksnes, Astrid . (2010) Vibration pattern analysis of capacitive micromachined ultrasonic transducers using heterodyne interferometry. Norsk fysisk selskap Norwegian Electro-optics Meeting , Ålesund 2010-04-07 - 2010-04-09
Academic lecture

Leirset, Erlend; Marhaug Åldstedt, Mats; Aksnes, Astrid . (2010) Vibration measurements on immersed ultrasonic transducers. Norwegian Physical society Norwegian Electro-optics Meeting 2010 , Ålesund 2010-04-07 - 2010-04-09

2009

Academic lecture

Martinussen, Hanne; Engan, Helge Emil; Aksnes, Astrid . (2009) Capacitive micromachined ultrasonic transducer (CMUT): Conventional and collapsed operation. NTNU 32nd Scandinavian Symposium on Physical Electronics , Finse 2009-02-08 - 2009-02-11
Academic lecture

Engan, Helge Emil; Martinussen, Hanne; Leirset, Erlend; Aksnes, Astrid . (2009) Laser probe for high frequency and DC measurements of CMUTs. European Optical Society EOS Topical Meetings in Capri 2009 , Capri 2009-09-27 - 2009-09-30

2008

Academic lecture

Martinussen, Hanne; Berg, Sigrid; Aksnes, Astrid ; Engan, Helge Emil. (2008) Into our hearts and veins. NTNU ITovation , Trondheim 2008-06-03 -
Academic lecture

Larsen, Eivind La Puebla; Randeberg, Lise Lyngsnes; Aksnes, Astrid . (2008) Hyperspectral imaging of the porcine heart. Norsk fysisk selskap Norsk elektrooptikkmøte 2008 , Hurtigruta 2008-03-26 - 2008-03-28
Academic lecture

Aksnes, Astrid ; Leirset, Erlend; Martinussen, Hanne; Engan, Helge Emil. (2008) Modeling and optical characterization of vibrating micro- and nanostructures. SPIE SPIE Optics and Photonics 2008: Optics Design and Systems Engineering, Illumination and Metrology , San Diego, California 2008-08-10 - 2008-08-14
Academic lecture

Aksnes, Astrid . (2008) Forskningsaktivitet på Gruppe for Elektrooptikk, IET, NTNU. Institutt for fysikk Norsk optikk seminar , NTNU 2008-02-12 - 2008-02-12
Academic lecture

Martinussen, Hanne; Aksnes, Astrid ; Engan, Helge Emil. (2008) Investigation of charge diffusion in Capacitive Micromachined Ultrasonic Transducers (CMUTs) using optical interferometry. IEEE 2008 IEEE Ultrasonics symposium , Beijing 2008-11-02 - 2008-11-05
Academic lecture

Engan, Helge Emil; Martinussen, Hanne; Leirset, Erlend; Aksnes, Astrid . (2008) Modeling and optical investigations of vibrating surfaces. NTNU 31st Scandinavian Symposium on Physical Acoustics , Geilo 2008-01-27 - 2008-01-30
Academic lecture

Martinussen, Hanne; Leirset, Erlend; Aksnes, Astrid ; Engan, Helge Emil. (2008) Optical characterization of CMUTs by heterodyne interferometry. NTNU 7th International Workshop on Micromachined Ultrasonic Transducers , Trondheim 2008-05-08 - 2008-05-09
Poster

Martinussen, Hanne; Aksnes, Astrid ; Engan, Helge Emil. (2008) Investigation of charge diffusion in Capacitive Micromachined Ultrasonic Transducers (CMUTs) using optical interferometry. IEEE 2008 IEEE Ultrasonics Symposium , Beijing 2008-11-02 - 2008-11-05
Poster

Leirset, Erlend; Martinussen, Hanne; Engan, Helge Emil; Aksnes, Astrid . (2008) Heterodyne interferometer for measuring vibrational amplitude. Norsk fysisk selskap Norsk elektrooptikkmøte 2008 , Hurtigruta 2008-03-26 - 2008-03-28
Poster

Apeland, Knut Øyvind; Egge, Sigbjørn Vindenes; Kartashov, Vladimir; Henriksen, Lars; Gartmann, Ketil; Spatschek, Thomas. (2008) Speckle reduction in laser projection displays. Norsk fysisk selskap Norsk elektrooptikk møte 2008 , Hurtigruta 2008-03-26 - 2008-03-28
Poster

Bru, Jørgen; Randeberg, Lise Lyngsnes; Larsen, Eivind La Puebla; Aksnes, Astrid . (2008) Hyperspectral characterization of bruised skin. Norsk fysisk selskap Nosk elektrooptikkmøte 2008 , Hurtigruta 2008-03-26 - 2008-03-28

2007

Academic lecture

Aksnes, Astrid . (2007) Smart Microstystem for Diagnostic Imaging of Vulnerable Plaque. NATO / OTAN NATO ASI Sensors for Environment, Health and Security: Advanced Materials and Technologies , Vichy 2007-09-16 - 2007-09-27
Academic lecture

Aksnes, Astrid ; Martinussen, Hanne; Engan, Helge Emil. (2007) Optical characterization of CMUTs. NFR CMUT & PMUT, en betydelig norsk MEMS-aktivitet , Oslo 2007-10-16 - 2007-10-16
Academic lecture

Aksnes, Astrid . (2007) Photonic sensors for health and environmental monitoring. NATO / OTAN NATO ASI Sensors for Environment, Health and Security: Advanced Materials and Technologies , Vichy 2007-09-16 - 2007-09-27
Academic lecture

Martinussen, Hanne; Aksnes, Astrid ; Engan, Helge Emil; Rønnekleiv, Arne. (2007) Optical Measurement Systems for Industrial Inspection V, Vol. 6616: Interferometric characterization of capacitor micromachined ultrasonic transducers and validation by electrical measurement. SPIE SPIE Europe Optical Metrology 2007 , Munchen 2007-06-17 - 2007-06-21
Poster

Aksnes, Astrid ; Martinussen, Hanne; Engan, Helge Emil. (2007) Smart Microstystem for Diagnostic Imaging of Vulnerable Plaque. NATO / OTAN NATO ASI Sensors for Environment, Health and Security: Advanced Materials and Technologies , Vichy 2007-09-16 - 2007-09-27

2006

Interview

Aksnes, Astrid . (2006) Den nye veggpryden. Dagbladet, Lørdagsmagasinet Dagbladet, Lørdagsmagasinet [Newspaper] 2006-01-06
Academic lecture

Aksnes, Astrid ; Martinussen, Hanne; Engan, Helge Emil. (2006) Characterization of acoustic vibrations on micro- and nanostructures with picometer sensitivity. SPIE Optics & Photonics , San Diego 2006-08-13 - 2006-08-17
Academic lecture

Martinussen, Hanne; Aksnes, Astrid ; Engan, Helge Emil. (2006) Heterodyne interferometry for characterization of acoustic vibrations. 29th Scandinavian Symposium on Physical Acoustics , Ustaoset 2006-01-29 - 2006-02-01
Academic lecture

Martinussen, Hanne; Aksnes, Astrid ; Engan, Helge Emil. (2006) High sensitivity vibration measurements with absolute calibration. OSA CLEO 06 , Long Beach 2006-05-21 - 2006-05-26
Academic lecture

Martinussen, Hanne; Aksnes, Astrid ; Engan, Helge Emil. (2006) Heterodyne interferometry for high sensitivity absolute amplitude vibrational measurements. SPIE Optics & Photonics , San Diego 2006-08-13 - 2006-08-17
Academic lecture

Aksnes, Astrid . (2006) Introduction to SMiDA. NTNU MedTek seminar , Trondheim 2006-09-27 - 2006-09-27
Academic lecture

Aksnes, Astrid . (2006) Optical characterization of ultrasound vibrations. NTNU Seminar on Microsystems for Medical Ultrasound Imaging , NTNU 2006-05-30 - 2006-05-30
Academic lecture

Aksnes, Astrid . (2006) Smart Microsystems in Diagnostic Imaging (SMiDA), an introduction. Norwegian Physical Society (NFS) 29th Scandinavian Symposium on Physical Acoustics , Ustaoset 2006-01-29 - 2006-02-01
Poster

Martinussen, Hanne; Aksnes, Astrid ; Engan, Helge Emil. (2006) Optical characterization for capacitor micromachined ultrasound transducer. Nothern Optics , Bergen 2006-06-14 - 2006-06-16
Poster

Aksnes, Astrid ; Martinussen, Hanne; Engan, Helge Emil. (2006) Wide frequency range absolute amplitude and phase measurements based on heterodyne interferometry. Norwegian Physical Society (NFS) Northern Optics , Bergen 2006-06-14 - 2006-06-16
Poster

Dang, Dung Do; Aksnes, Astrid ; Haakestad, Magnus Willum; Hagene, Jon Kristian; Bjorøy, Ove. (2006) Wavelength modulation spectroscopy with optical single mode fibers- a remote measurement of NH3 @ 1512nm. Norwegian Physical Society (NFS) Northern Optics , Bergen 2006-06-14 - 2006-06-16
Popular scientific lecture

Aksnes, Astrid . (2006) Smart microsystems for diagnostic imaging in medicine. NTNU Gjesteforelesning , NTNU 2006-03-10 - 2006-03-10

2005

Interview

Aksnes, Astrid . (2005) Starthjelp til å beholde kvinner. Forskerforum Forskerforum [Newspaper] 2005-03-02
Interview

Aksnes, Astrid . (2005) Startpakke gir selvtillilt. Under Dusken Under Dusken [Newspaper] 2005-03-08

2004

Academic lecture

Randeberg, Lise Lyngsnes; Ove, Magnus; Paulsen, Eirik; Dyrseth, Astrid Aksnes; Svaasand, Lars O.. (2004) Thermo-optical properties of tissue chromophores. Norsk fysisk selskap Norwegian Electro-Optics meeting , Tønsberg 2004-05-02 - 2004-05-04
Academic lecture

Vignes, Bendik; Chizhov, Mikhail; Makarov, Vadim; Dyrseth, Astrid Aksnes; Hjelme, Dag Roar. (2004) Faked sates attack on quantum cryptosystems. Norwegian Electro-Optical Society Norwegian Electro-Optics Meeting 2004 , Tønsberg 2004-05-02 - 2004-05-04
Poster

Dyrseth, Astrid Aksnes; Engan, Helge Emil; Hjelme, Dag Roar. (2004) Optical detection of ultrasound and optical spectroscopy for detection of vulnerable plaques. Optics Group of Norwegian Physical Society Norwegian Electro-Optics meeting , Tønsberg 2004-05-02 - 2004-05-04

2000

Academic lecture

Liefrink, Feike; Houtzager, Ernest; de Jong, Gerrit; Teunissen, Paul; Heimeriks, J W; Dyrseth, Astrid Aksnes. (2000) Development of a programmable bipolar Josephson-array voltage-standard. IEEE Conf. Precision Electromagnetic Measurements (CPEM2000) , Sydney 2000-05-15 - 2000-05-19

1999

Academic lecture

Liefrink, Feike; de Jong, Gerrit; Teunissen, Paul; Heimeriks, J W; Røyset, Arne; Dyrseth, Astrid Aksnes. (1999) Design of a bipolar Josephson array voltage standards for AC synthesis. British Electromagnetic Conference , Brighton 1999-11-02 - 1999-11-04

1996

Academic lecture

Dyrseth, Astrid Aksnes. (1996) Electronic speckle pattern interferometry: new applications in biophysics. SPIE Photonics West 1996 , San Jose 1996-01-28 - 1996-02-02
Academic lecture

Skatter, Sondre; Dyrseth, Astrid Aksnes. (1996) Modal analysis on softwood logs by TV holography. Swiss Federal Institute of Technology 10th International Symposium on Nondestructive Testing of Wood , Lausanne 1996-08-26 - 1996-08-28

1993

Poster

Dyrseth, Astrid Aksnes. (1993) Biomedical applications of TV holography. Norwegian Physical Society (NFS) Norwegian Conference on Optics and Optoelectronics , Vinstra 1993-03-18 - 1993-03-21

1992

Academic lecture

Dyrseth, Astrid Aksnes; Spooren, Rudie. (1992) Electronic speckle pattern correlation interferometry applying pulsed lasers; a possible tool in biophysics?. Norwegian Physical Society (NFS) Fagmøte i Biofysikk og Biorelatert Optikk & Teknikk , Kongsvold 1992-03-19 - 1992-03-21

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Astrid Aksnes

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