Report describes state of art of tunable-diode-laser second-harmonic spectroscopy applied to measurements of concentrations of trace constituents of atmosphere. Combination of temperature, composition, and drive-current tuning, wavelengths of tunable diode lasers varied over infrared range of 3 to 30 micrometer, containing spectral lines of many molecules of interest in atmospheric research.
Monitoring The Atmosphere By Diode-Laser Spectroscopy
NASA Tech Briefs ; 12 , 4
1988-04-01
Miscellaneous
No indication
English
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