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Proceedings Paper

Active and passive infrared spectroscopy for the detection of environmental threats
Author(s): Erik R. Deutsch; Petros Kotidis; Ninghui Zhu; Anish K. Goyal; Jim Ye; Alex Mazurenko; Mark Norman; Kostas Zafiriou; Mark Baier; Ray Connors
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Paper 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.

Paper Details

Date Published: 22 May 2014
PDF: 10 pages
Proc. SPIE 9106, Advanced Environmental, Chemical, and Biological Sensing Technologies XI, 91060A (22 May 2014); doi: 10.1117/12.2058544
Show Author Affiliations
Erik R. Deutsch, Block Engineering, LLC (United States)
Petros Kotidis, Block Engineering, LLC (United States)
Ninghui Zhu, Block Engineering, LLC (United States)
Anish K. Goyal, Block Engineering, LLC (United States)
Jim Ye, Block Engineering, LLC (United States)
Alex Mazurenko, Block Engineering, LLC (United States)
Mark Norman, Block Engineering, LLC (United States)
Kostas Zafiriou, Block Engineering, LLC (United States)
Mark Baier, Block Engineering, LLC (United States)
Ray Connors, Block Engineering, LLC (United States)


Published in SPIE Proceedings Vol. 9106:
Advanced Environmental, Chemical, and Biological Sensing Technologies XI
Tuan Vo-Dinh; Robert A. Lieberman; Günter G. Gauglitz, Editor(s)

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