Low-cost trace chemical detection system

Erik Lenferink; Anish Goyal; Derek Wood; Dimitry Maltsev; Wynn Bowers; Thomas Gray; Charles Meeske; Steve Korbly

doi:10.1117/12.2663487

14 June 2023 Low-cost trace chemical detection system

Erik Lenferink, Anish Goyal, Derek Wood, Dimitry Maltsev, Wynn Bowers, Thomas Gray, Charles Meeske, Steve Korbly

Author Affiliations +

Proceedings Volume 12541, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XXIV; 125410H (2023) https://doi.org/10.1117/12.2663487
Event: SPIE Defense + Commercial Sensing, 2023, Orlando, Florida, United States

Abstract

A standoff trace chemical detection system to detect vehicle-borne threats was developed using a long-wave infrared (LWIR) microbolometer (MB) camera in combination with widely tunable external-cavity quantum cascade lasers. The system acquires hyperspectral images of the target surface’s reflectance in the LWIR portion of the “chemical fingerprint” band to allow for high-sensitivity detection and high-specificity identification of a wide range of surface chemicals. By using a MB camera, as opposed to more expensive alternatives, the system is targeted for applications that require small size and low cost. This talk describes the design and performance of the prototype.

Conference Presentation

Citation Download Citation

Erik Lenferink, Anish Goyal, Derek Wood, Dimitry Maltsev, Wynn Bowers, Thomas Gray, Charles Meeske, and Steve Korbly "Low-cost trace chemical detection system", Proc. SPIE 12541, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XXIV, 125410H (14 June 2023); https://doi.org/10.1117/12.2663487

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