Dr. Katy Roodenko Profile

Dr. Katy Roodenko

Founder and CEO at Max-IR Labs

SPIE Involvement:

Conference Chair | Editor | Author

Websites:

Company Website

Proceedings Article | 13 March 2024 Presentation + Paper

Mid-infrared spectroscopy-based sensors for inline water and wastewater analysis

Trey Daunis, Matthew Molyneux, Jennifer Dussor, Kevin Clark, Dennis Robbins, Katy Roodenko

Proceedings Volume 12835, 128350E (2024) https://doi.org/10.1117/12.3008672

KEYWORDS: Sensors, Infrared sensors, Absorbance, Signal detection, Light absorption, Infrared spectroscopy, Infrared detectors, Fiber coatings, Environmental monitoring, Evanescence

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Proceedings Article | 6 March 2023 Presentation

Wastewater treatment monitoring and process control with infrared sensors

Trey Daunis, Bach Le, Jennifer Dussor, Kevin Clark, Dennis Robbins, Katy Roodenko

Proceedings Volume PC12372, PC123720G (2023) https://doi.org/10.1117/12.2655472

KEYWORDS: Infrared sensors, Sensors, Process control, Thermography, Ultraviolet radiation, Quantum cascade lasers, Infrared radiation, Control systems, Absorption, Toxic industrial chemicals

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Proceedings Article | 30 May 2022 Presentation + Paper

Towards hand-held infrared photonic integrated circuits (PICs) using quantum cascade lasers (QCLs) for chemical and biological hazard detection in water

T. Daunis, K. Clark, J. Dussor, B. Le, K. Hodges, D. Robbins, K. Roodenko

Proceedings Volume 12116, 121160D (2022) https://doi.org/10.1117/12.2618312

KEYWORDS: Sensors, Quantum cascade lasers, Infrared sensors, FT-IR spectroscopy, Photonic integrated circuits, Waveguides, Spectrometers, Mid-IR, Infrared radiation, Germanium

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Proceedings Article | 2 March 2022 Paper

Towards infrared photonic integrated circuits (PICs) in biochemical analysis: implementation of quantum cascade lasers (QCLs) in analysis of fluids

T. Daunis, J. Dussor, B. Le, K. Hodges, K. Clark, D. Robbins, K. Roodenko

Proceedings Volume 11953, 119530A (2022) https://doi.org/10.1117/12.2615367

KEYWORDS: Quantum cascade lasers, FT-IR spectroscopy, Sensors, Biological research, Infrared radiation, Spectrometers, Photonic integrated circuits, Infrared spectroscopy, Waveguides, Nitrogen, Bacteria

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Proceedings Article | 5 March 2021 Presentation + Paper

Infrared sensors for environmental and biomedical applications

J. E. Park, K. L. Hodges, U. Tumuluri, A. Zaki, J. Dussor, T. Daunis, K. P. Clark, D. I. Robbins, K. Roodenko

Proceedings Volume 11635, 1163516 (2021) https://doi.org/10.1117/12.2583757

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Proceedings Article | 5 March 2021 Presentation + Paper

Scanning near-field infrared microscopy for biomedical imaging with a subwavelength spatial resolution

Max Platkov, Lev Nagli, Katy Roodenko, Abraham Katzir

Proceedings Volume 11635, 116350V (2021) https://doi.org/10.1117/12.2582432

KEYWORDS: Near field scanning optical microscopy, Infrared microscopy, Mid-IR, Microscopy, Yeast, Spatial resolution, Silver, Optical fibers, Microscopes, Applied physics

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Proceedings Article | 5 March 2021 Presentation + Paper

Infrared scanning near-field optical microscopy (IR-SNOM) for thermal profiling of quantum cascade lasers

Trey Daunis, F. Abbas, Kevin Clark, E. Fuchs, K. Lascola, Y. Dikmelik, Kimari Hodges, Dennis Robbins, Max Platkov, Abraham Katzir, Q. Gu, Katy Roodenko

Proceedings Volume 11635, 116350Z (2021) https://doi.org/10.1117/12.2585911

KEYWORDS: Quantum cascade lasers, Near field scanning optical microscopy, Thermography, Infrared radiation, Optical microscopy, Thermal modeling, Profiling, Infrared lasers, Mid-IR, Long wavelength infrared

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Proceedings Article | 9 March 2020 Presentation

Nitrogen sensor based on quantum cascade lasers (QCLs) for wastewater treatment process control and optimization (Conference Presentation)

Katy Roodenko, D. Hinojos, K. Hodges, B.-J. Pandey, J.-F. Veyan, K. P. Clark, D. I. Robbins

Proceedings Volume 11233, 112330C (2020) https://doi.org/10.1117/12.2553691

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Proceedings Article | 31 January 2020 Presentation + Paper

IR-SNOM on a fork: infrared scanning near-field optical microscopy for thermal profiling of quantum cascade lasers

B.-J. Pandey, K. P. Clark, F. Abbas, E. Fuchs, K. Lascola, Yamac Dikmelik, D. Hinojos, K. Hodges, D. Robbins, M. Platkov, A. Katzir, A. Suliman, G. Spingarn, A. Niguès, J.-F. Veyan, Q. Gu, K. Roodenko

Proceedings Volume 11288, 112881Q (2020) https://doi.org/10.1117/12.2543849

KEYWORDS: Thermography, Quantum cascade lasers, Near field scanning optical microscopy, Spatial resolution, Temperature metrology, Infrared imaging, Infrared radiation, Modulation, Near field

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Proceedings Article | 31 January 2020 Presentation + Paper

Thermal modeling of quantum cascade lasers with 3D anisotropic heat transfer analysis

Farhat Abbas, Binay Pandey, Kevin Clark, Kevin Lascola, Yamac Dikmelik, Dennis Robbins, David Hinojos, Kimari Hodges, Katy Roodenko, Qing Gu

Proceedings Volume 11288, 1128808 (2020) https://doi.org/10.1117/12.2543594

KEYWORDS: Quantum cascade lasers, Coating, Dielectrics, 3D modeling, Superlattices, Thermal modeling, Mid-IR, Heterojunctions, Near field scanning optical microscopy, Failure analysis

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Proceedings Article | 27 February 2019 Presentation + Paper

Non-dispersive infrared (NDIR) sensor for real-time nitrate monitoring in wastewater treatment

K. Roodenko, D. Hinojos, K. Hodges, J.-F. Veyan, Y. Chabal, K. Clark, A. Katzir, D. Robbins

Proceedings Volume 10872, 108720G (2019) https://doi.org/10.1117/12.2506550

KEYWORDS: Infrared radiation, Nitrogen, Absorption, Infrared sensors, Sensors, Infrared technology, Calibration, Absorbance, Water, Spectroscopy, Quantum cascade lasers

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Proceedings Article | 19 September 2016 Presentation + Paper

Control over dark current densities and cutoff wavelengths of GaAs/AlGaAs QWIP grown by multi-wafer MBE reactor

K. Roodenko, K. Choi, K. Clark, E. Fraser, K. Vargason, J.-M. Kuo, Y.-C. Kao, P. Pinsukanjana

Proceedings Volume 9974, 997404 (2016) https://doi.org/10.1117/12.2236881

KEYWORDS: Quantum well infrared photodetectors, Quantum wells, Doping, Gallium arsenide, Semiconducting wafers, Sensors, Long wavelength infrared, Quantum efficiency, Absorption, X-rays

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Proceedings Article | 26 May 2016 Paper

Infrared optical and electronic properties in low tellurium doped GaSb substrates for SLS FPA applications

K. Roodenko, P.-K. Liao, D. Lan, K. Clark, E. Fraser, K. Vargason, J.-M. Kuo, Y.-C. Kao, P. Pinsukanjana

Proceedings Volume 9854, 985415 (2016) https://doi.org/10.1117/12.2234694

KEYWORDS: Gallium antimonide, Absorption, Tellurium, Doping, Infrared radiation, Staring arrays, FT-IR spectroscopy, Epitaxy, Infrared lasers, Semiconducting wafers, Transmittance, Wafer-level optics

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Showing 5 of 13 publications

SPIE Conference Volume | 3 April 2024

Optical Fibers and Sensors for Medical Diagnostics, Treatment, and Environmental Applications XXIV

SPIE Conference Volume | 23 March 2023

Optical Fibers and Sensors for Medical Diagnostics, Treatment and Environmental Applications XXIII

SPIE Conference Volume | 25 March 2022

Optical Fibers and Sensors for Medical Diagnostics, Treatment and Environmental Applications XXII

SPIE Conference Volume | 1 April 2021

Optical Fibers and Sensors for Medical Diagnostics, Treatment and Environmental Applications XXI

Conference Committee Involvement (7)

Optical Fibers and Sensors for Medical Diagnostics, Treatment and Environmental Applications XXV

25 January 2025 | San Francisco, California, United States

Optical Fibers and Sensors for Medical Diagnostics, Treatment and Environmental Applications XXIV

27 January 2024 | San Francisco, California, United States

Optical Fibers and Sensors for Medical Diagnostics, Treatment and Environmental Applications XXIII

28 January 2023 | San Francisco, California, United States

Optical Fibers and Sensors for Medical Diagnostics, Treatment and Environmental Applications XXII

22 January 2022 | San Francisco, California, United States

Optical Fibers and Sensors for Medical Diagnostics, Treatment and Environmental Applications XXI

6 March 2021 | Online Only, California, United States

Showing 5 of 7 Conference Committees

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