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Proceedings Paper

Tunable diode laser systems for trace gas monitoring
Author(s): Gervase I. Mackay; David R. Karecki; Harold I. Schiff
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Paper Abstract

Tunable diode laser absorption spectrometry can provide unequivocal identification of many of the trace gases of atmospheric interest with rapid response and high sensitivity. Instrumentation is described which can measure trace gases with the required sensitivity, specificity and response time dictated by widely differing environments including ambient air, from both mobile laboratories and aircraft, smog chambers and in exhaust gas emissions. Representative examples are discussed of applications to measurements of ambient air under clean and highly polluted conditions, CH4 fluxes from airborne and ground based platforms and combustion gases in diluted and undiluted exhaust from Diesel and automobile engines.

Paper Details

Date Published: 1 May 1991
PDF: 16 pages
Proc. SPIE 1433, Measurement of Atmospheric Gases, (1 May 1991); doi: 10.1117/12.46157
Show Author Affiliations
Gervase I. Mackay, Unisearch Associates Inc. (Canada)
David R. Karecki, Unisearch Associates Inc. (Canada)
Harold I. Schiff, Unisearch Associates Inc. (Canada)


Published in SPIE Proceedings Vol. 1433:
Measurement of Atmospheric Gases
Harold I. Schiff, Editor(s)

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