Tunable diode laser systems for trace gas monitoring

Gervase I. Mackay; David R. Karecki; Harold I. Schiff

doi:10.1117/12.46157

1 May 1991 Tunable diode laser systems for trace gas monitoring

Gervase I. Mackay, David R. Karecki, Harold I. Schiff

Proceedings Volume 1433, Measurement of Atmospheric Gases; (1991) https://doi.org/10.1117/12.46157
Event: Optics, Electro-Optics, and Laser Applications in Science and Engineering, 1991, Los Angeles, CA, United States

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.

Citation Download Citation

Gervase I. Mackay, David R. Karecki, and Harold I. Schiff "Tunable diode laser systems for trace gas monitoring", Proc. SPIE 1433, Measurement of Atmospheric Gases, (1 May 1991); https://doi.org/10.1117/12.46157

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