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Journal of Optical Technology

Journal of Optical Technology

| SIMULTANEOUS RUSSIAN-ENGLISH PUBLICATION

  • Vol. 80, Iss. 7 — Jul. 1, 2013
  • pp: 444–449

Construction of adaptive spectral analyzers on the basis of acousto-optic spectrometers

A. V. Fadeyev and V. E. Pozhar  »View Author Affiliations


Journal of Optical Technology, Vol. 80, Issue 7, pp. 444-449 (2013)
http://dx.doi.org/10.1364/JOT.80.000444


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Abstract

This paper discusses the problem of selecting the working spectral points in the method of selective spectral recording, used to detect contaminants in air by means of differential optical absorption spectroscopy on acousto-optic spectrometers with random spectral addressing. Reducing the number of recorded points of the spectrum, which allows the measurement time to be reduced by an order of magnitude, can simultaneously decrease the selectivity of the analysis, and this presents a problem if the composition of the impurity substances is unknown. A partial solution of the problem is proposed that consists of a preliminary study of the variations of the spectra of the gas mixture, and this makes it possible to statistically distinguish the main variable components in the composition of the gaseous mixture and to identify them with definite gases. Versions are proposed for the construction of adaptive systems based on acousto-optic spectrometers and using the technique developed here.

© 2013 Optical Society of America

OCIS Codes
(120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation
(230.1040) Optical devices : Acousto-optical devices
(280.1120) Remote sensing and sensors : Air pollution monitoring
(300.6190) Spectroscopy : Spectrometers

History
Original Manuscript: February 4, 2013
Published: July 5, 2013

Citation
A. V. Fadeyev and V. E. Pozhar, "Construction of adaptive spectral analyzers on the basis of acousto-optic spectrometers," J. Opt. Technol. 80, 444-449 (2013)
http://www.opticsinfobase.org/jot/abstract.cfm?URI=jot-80-7-444


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