MID-IR RANGE QUANTUM CASCADE LASERS IN COMPACT OPTOACOUSTIC GAS ANALYZERS-Reference-Cited by-同舟云学术

MID-IR RANGE QUANTUM CASCADE LASERS IN COMPACT OPTOACOUSTIC GAS ANALYZERS

Published:2022-07-20 Issue:4 Volume:89 Page:580-586
ISSN:0514-7506
Container-title:Journal of Applied Spectroscopy
language:
Short-container-title:Ž. prikl. spektrosk. (Minsk)

Author:

Kolker D. B.¹,Sherstov I. V.¹,Boiko A. A.²,Kostyukova N. Yu.¹,Erushin E. Yu.³,Pavluck A. V.¹

Affiliation:

1. Novosibirsk State University; Institute of Laser Physics Siberian Branch of Russian Academy of Sciences

2. Novosibirsk State University; Institute of Laser Physics Siberian Branch of Russian Academy of Sciences; Tomsk State University

3. Novosibirsk State University; Institute of Laser Physics Siberian Branch of Russian Academy of Sciences; Novosibirsk State Technical University

Abstract

The choice of the generation modes of quantum cascade lasers for optical-acoustic sensors of methan and ammonia is substantiated and the tuning and output characteristics of these lasers depending on the current and temperature are given. The results of experiments on studying the concentration sensitivity of working samples of devices developed on the basis of these lasers and ready for testing are presented. It is shown that the linear dynamic range of methane concentration measurement using the optoacoustic gas analyzer under study was approximately four decades: from ~0.3 to ~2000–3000 ppm CH4.

Publisher

National Academy of Sciences of Belarus

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