Remote Gas Detection By Coherence Measurement

S. M. Drum

doi:10.1117/12.941442

10 September 1987 Remote Gas Detection By Coherence Measurement

S. M. Drum

Proceedings Volume 0807, Passive Infrared Systems and Technology; (1987) https://doi.org/10.1117/12.941442
Event: Fourth International Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, The Hague, Netherlands

Abstract

A new approach to the remote electro-optical detection of gases is presented. Radiation, of greater spectral width than an absorption line or series of lines, is analysed using an interferometer. Absorption strength is then deduced from features of the temporal coherence function. Theory and preliminary experiments are discussed.

Citation Download Citation

S. M. Drum "Remote Gas Detection By Coherence Measurement", Proc. SPIE 0807, Passive Infrared Systems and Technology, (10 September 1987); https://doi.org/10.1117/12.941442

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