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Infrared optical constants of H2O ice, amorphous nitric acid solutions, and nitric acid hydratesWe determined the infrared optical constants of nitric acid trihydrate, nitric acid dihydrate, nitric acid monohydrate, and solid amorphous nitric acid solutions which crystallize to form these hydrates. We have also found the infrared optical constants of H2O ice. We measured the transmission of infrared light throught thin films of varying thickness over the frequency range from about 7000 to 500/cm at temperatures below 200 K. We developed a theory for the transmission of light through a substrate that has thin films on both sides. We used an iterative Kramers-Kronig technique to determine the optical constants which gave the best match between measured transmission spectra and those calculated for a variety of films of different thickness. These optical constants should be useful for calculations of the infrared spectrum of polar stratospheric clouds.
Document ID
19950053255
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Toon, Owen B.
(NASA Ames Research Center Moffett Field, CA, United States)
Koehler, Birgit G.
(University of Colorado, Boulder, CO United States)
Middlebrook, Ann M.
(University of Colorado, Boulder, CO United States)
Tolbert, Margaret A.
(University of Colorado, Boulder, CO United States)
Jordon, Joseph
(Sterling Software Inc. Palo Alto, CA, United States)
Date Acquired
August 16, 2013
Publication Date
December 20, 1994
Publication Information
Publication: Journal of Geophysical Research
Volume: 99
Issue: D12
ISSN: 0148-0227
Subject Category
Meteorology And Climatology
Accession Number
95A84854
Distribution Limits
Public
Copyright
Other

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