Dr. Mark F. Witinski Profile

Dr. Mark F. Witinski

VP Chemical Analysis and Security at Ctr for Astrophysics | Harvard & Smithsonian

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Publications (5)

Proceedings Article | 17 May 2019 Presentation + Paper

Standoff hyperspectral imaging of CWAs and explosives using eyesafe quantum cascade laser arrays

Mark Witinski, Brandt Pein, Romain Blanchard, Gokhan Ulu, Greg Vander Rhodes, Kalyani Krishnamurthy, Chris Howle, Linda Lee, Rhea Clewes, Siobhan Conner, Daryoosh Vakhshoori

Proceedings Volume 11010, 1101003 (2019) https://doi.org/10.1117/12.2517760

KEYWORDS: Quantum cascade lasers, Signal to noise ratio, Spectroscopy, Infrared radiation, Sensors, Hyperspectral imaging, Long wavelength infrared, Standoff detection, Reflectivity, Chemical analysis

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Proceedings Article | 13 May 2019 Paper

Sparse-sampling methods for hyperspectral infrared microscopy

Andreas Geiger, James R. Ulcickas, Youlin Liu, Mark Witinski, Romain Blanchard, Garth Simpson

Proceedings Volume 10980, 1098016 (2019) https://doi.org/10.1117/12.2518471

KEYWORDS: Long wavelength infrared, Microscopes, Infrared imaging, Hyperspectral imaging, Quantum cascade lasers, Image acquisition, Reconstruction algorithms

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Proceedings Article | 1 March 2019 Presentation + Paper

Quartz-enhanced photoacoustic spectroscopy employing a distributed feedback-quantum cascade laser array for nitrous oxide and methane broadband detection

M. Giglio, P. Patimisco, A. Sampaolo, A. Zifarelli, G. Menduni, A. Elefante, R. Blanchard, C. Pfluegl, M. Witinski, D. Vakhshoori, V. Passaro, F. Tittel, V. Spagnolo

Proceedings Volume 10939, 109391Q (2019) https://doi.org/10.1117/12.2507926

KEYWORDS: Quantum cascade lasers, Absorption, Nitrous oxide, Methane, Sensors, Photoacoustic spectroscopy, Gases

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Proceedings Article | 14 May 2018 Presentation

Standoff detection of explosives, CWAs, and industrial chemicals using quantum cascade laser arrays (Conference Presentation)

Mark Witinski

Proceedings Volume 10639, 1063921 (2018) https://doi.org/10.1117/12.2307834

KEYWORDS: Standoff detection, Quantum cascade lasers, Explosives, Industrial chemicals, Chemical analysis, Spectroscopy, Sensors, Chemical elements, Wavelength tuning, Packaging

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Proceedings Article | 10 March 2016 Paper

Spectroscopic benzene detection using a broadband monolithic DFB-QCL array

Rafał Lewicki, Mark Witinski, Biao Li, Gerard Wysocki

Proceedings Volume 9767, 97671T (2016) https://doi.org/10.1117/12.2213696

KEYWORDS: Spectroscopy, Quantum cascade lasers, Molecules, Absorption, Laser spectroscopy, Tunable lasers, Molecular lasers, Molecular spectroscopy, Mid-IR, Absorption spectroscopy, Sensors, Photodetectors, Prototyping

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