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Proceedings Paper

Tunable diode laser based monitoring of atmospheric gases - Modern techniques
Author(s): Andrian I. Kouznetsov; Alexander I. Nadezhdinskii; Eugene V. Stepanov
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Paper Abstract

The paper describes the development of spectroscopic methods for monitoring atmospheric gases, which are based on tunable diode lasers (TDLs). The problem of complexity of TDL-based systems was solved using several approaches. These include the development of a pulse-periodical mode of laser operation with high-frequency scanning rate; simplification of optical and cryogenic parts using mid-IR optical fibers; and the development of specialized electronics and automatic measurements methods. A block diagram of the system is presented together with tables listing information on the sensitivity limitations of the TDL-based spectrometer and detectivity levels for various atmospheric gases.

Paper Details

Date Published: 12 February 1993
PDF: 12 pages
Proc. SPIE 1715, Optical Methods in Atmospheric Chemistry, (12 February 1993); doi: 10.1117/12.140222
Show Author Affiliations
Andrian I. Kouznetsov, General Physics Institute (Russia)
Alexander I. Nadezhdinskii, General Physics Institute (Russia)
Eugene V. Stepanov, General Physics Institute (Russia)

Published in SPIE Proceedings Vol. 1715:
Optical Methods in Atmospheric Chemistry
Harold I. Schiff; Ulrich Platt, Editor(s)

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