This article reports the parameters and characteristics of recently introduced mid Infrared (3-12um) detection modules for gas sensing applications. In Mid infrared range one can detect almost every simple or complex compound existing on earth. Currently a driving factors for development of gas sensors are related to air/water quality, explosive material detection and medical applications, especially breath analyzers. Gas sensors require source (thermal, diode or laser), sampling compartment and detection module. At VIGO System we are concentrated on designing and manufacturing high operating temperature detectors, fast, sensitive, affordable and reliable required for development of such platforms. We are using active, absorber elements based on complex HgCdTe or InAsSb heterostructures monolithically integrated with optical immersion lens. Additional collective optics, signal amplification, temperature control and heat dissipation will be also discussed in this article. Those functions are critical for ultimate performance of gas sensors.
Adam Piotrowski, Zbigniew Orman, Jozef Piotrowski, Artur Kębłowski, and Lukasz Kubiszyn, "HgCdTe and Sb-based infrared detection modules for gas sensing manufactured at VIGO System S.A. (Conference Presentation)," Proc. SPIE 10433, Electro-Optical and Infrared Systems: Technology and Applications XIV, 104330V (Presented at SPIE Security + Defence: September 13, 2017; Published: 18 October 2017); https://doi.org/10.1117/12.2279783.5616480088001.
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