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Two-Frequency Electro-Optic Gas-Correlation SpectrometerAcoustical modulator not necessary. Two-frequency electro-optic gas-correlation spectrometer relatively simple. Illumination provided by ordinary lamp, no moving parts, and filtered output of detector is beat-frequency signal directly proportional to correlation between spectra of gases in cells.
Document ID
19890000601
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Margolis, Jack S. (Caltech)
Rider, David M. (Caltech)
Mccleese, Daniel J. (Caltech)
Schofield, John T. (Caltech)
Date Acquired
August 14, 2013
Publication Date
December 1, 1989
Publication Information
Publication: NASA Tech Briefs
Volume: 13
Issue: 12
ISSN: 0145-319X
Subject Category
Physical Sciences
Report/Patent Number
NPO-17638
Report Number: NPO-17638
ISSN: 0145-319X
Accession Number
89B10601
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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