Laser Heterodyne Radiometry for Remote Sensing of Atmospheric Gases

David S. Bomse,Jared E. Tso,J. Houston Miller

Optical Sensors and Sensing Congress (ES, FTS, HISE, Sensors) (2019), paper EW6A.1（2019）

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摘要

A passive remote sensor for full atmospheric columns of O2, CO2 and CH4 has been developed that is based on laser heterodyne radiometry, (LHR), using telecommunications-style diode lasers operating at wavelengths between 1278 and 1650 nm as local oscillators. Spectral resolution is 0.0067 cm-1 and will soon be improved two-fold. Retrievals require including line narrow effects, particularly for O2.

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