Utmost sensitivity of methods of visualization of zones of the increased concentration impurity of gases and vapors in the air with the help of thermal imagers and image intensifiers

Vladimir L. Bakumenko; V. P. Beguchev; A. N. Sviridov

doi:10.1117/12.517347

30 September 2003 Utmost sensitivity of methods of visualization of zones of the increased concentration impurity of gases and vapors in the air with the help of thermal imagers and image intensifiers

Vladimir L. Bakumenko, V. P. Beguchev, A. N. Sviridov

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Proceedings Volume 5126, 17th International Conference on Photoelectronics and Night Vision Devices; (2003) https://doi.org/10.1117/12.517347
Event: 2003 Chapter books, 2003, Bellingham, WA, United States

Abstract

The method of remote detection (MRD) of zones of increased concentration ('clouds') of impurity gases and vapors in the air is based on absorption by these gases of ultra-violet (UV) radiation or infrared (IR) radiation of the scene (topographical targets, i.e. any objects in the field of vision of the device including the Earth surface, the sky, etc.). The method is recording of the images of the scene in very narrow spectral ranges coinciding witch spectral bands of absorption of these impurities. MRD can be realized with the help of two types of devices: 1. Devices on the basis of thermal imagers, recording impurity absorption on vibrational-rotationel transitions in the infrared (IR) spectral region. 2. Devices on the basis of electron-optical image intensifiers (II) recording impurity absorption on electron - vibrational transitions in the ultra-violet (UV) spectral region. In the report the calculations of utmost sensitivity capabilities MRD with reference to each of devices, implementing it are carried.

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Vladimir L. Bakumenko, V. P. Beguchev, and A. N. Sviridov "Utmost sensitivity of methods of visualization of zones of the increased concentration impurity of gases and vapors in the air with the help of thermal imagers and image intensifiers", Proc. SPIE 5126, 17th International Conference on Photoelectronics and Night Vision Devices, (30 September 2003); https://doi.org/10.1117/12.517347

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KEYWORDS

Thermography

Clouds

Gases

Absorption

NOx

Ultraviolet radiation

Image intensifiers

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