New optical scheme of the intensity control for a remote gas analyzer

Denis V. Shabrov; Vadim A. Gorobets; Ilya N. Puchkouski; Boris F. Kuntsevich

doi:10.1117/12.2277924

5 October 2017 New optical scheme of the intensity control for a remote gas analyzer

Denis V. Shabrov, Vadim A. Gorobets, Ilya N. Puchkouski, Boris F. Kuntsevich

Proceedings Volume 10434, Electro-Optical Remote Sensing XI; 104340E (2017) https://doi.org/10.1117/12.2277924
Event: SPIE Security + Defence, 2017, Warsaw, Poland

Abstract

The new scheme of the reference channel of a remote gas analyzer has been offered and realized. The use of additional reflective elements with the low reflection factor allows to receive full interception of laser radiation and to provide a linear operating mode of a photodetector even for the strongest laser lines. At the measurement of a concentration of air pollutions on a differential method the weak dependence of reflection factors for used reflecting plates from wavelength can be easy to take into account by adding corresponding factors in the formula for calculations of air pollution concentrations. The application of the new optical scheme of the reference channel for the gas analyzer and the addition new correcting temperature constants in the calculations has allowed carrying out correct measurements of air pollutants with the high accuracy.

Citation Download Citation

Denis V. Shabrov, Vadim A. Gorobets, Ilya N. Puchkouski, and Boris F. Kuntsevich "New optical scheme of the intensity control for a remote gas analyzer", Proc. SPIE 10434, Electro-Optical Remote Sensing XI, 104340E (5 October 2017); https://doi.org/10.1117/12.2277924

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