Active and passive infrared spectroscopy for the detection of environmental threats

Erik R. Deutsch; Petros Kotidis; Ninghui Zhu; Anish K. Goyal; Jim Ye; Alex Mazurenko; Mark Norman; Kostas Zafiriou; Mark Baier; Ray Connors

doi:10.1117/12.2058544

22 May 2014 Active and passive infrared spectroscopy for the detection of environmental threats

Erik R. Deutsch, Petros Kotidis, Ninghui Zhu, Anish K. Goyal, Jim Ye, Alex Mazurenko, Mark Norman, Kostas Zafiriou, Mark Baier, Ray Connors

Author Affiliations +

Proceedings Volume 9106, Advanced Environmental, Chemical, and Biological Sensing Technologies XI; 91060A (2014) https://doi.org/10.1117/12.2058544
Event: SPIE Sensing Technology + Applications, 2014, Baltimore, MD, United States

Abstract

Block MEMS/Engineering develops mid-infrared spectroscopy systems based on both Fourier transform infrared (FTIR) spectrometers and quantum cascade lasers (QCLs). Our recently developed miniaturized external-cavity QCLs are widely tunable over a spectral range of >250 cm^-1 and tuning can be accomplished at rates of <25 cm^-1 per millisecond. This enables high-speed mid-infrared spectroscopy of gases and surface contaminants for a variety of military and commercial applications. This paper provides an overview of our FTIR and QCL systems and their defense-related applications.

Citation Download Citation

Erik R. Deutsch, Petros Kotidis, Ninghui Zhu, Anish K. Goyal, Jim Ye, Alex Mazurenko, Mark Norman, Kostas Zafiriou, Mark Baier, and Ray Connors "Active and passive infrared spectroscopy for the detection of environmental threats", Proc. SPIE 9106, Advanced Environmental, Chemical, and Biological Sensing Technologies XI, 91060A (22 May 2014); https://doi.org/10.1117/12.2058544

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