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Optical constants of ammonium sulfate in the infraredThe infrared spectral reflectance at near normal incidence has been measured for 3.2 M, 2.4 M, and 1.6 M solutions of ammonium sulfate, an aerosol abundant in the stratosphere and also present in the troposphere. Kramers-Kronig analysis was used to determine values of the refractive and absorption indices from the measured spectral reflectance. A synthetic spectrum of crystalline ammonium sulfate was obtained by extrapolation of the absorption index obtained for the solution to the absorber number densities of the NH4 and SO4 ions characteristic of the crystal.
Document ID
19770039543
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Downing, H. D.
(Kansas State Univ. Manhattan, KS, United States)
Pinkley, L. W.
(Kansas State Univ. Manhattan, KS, United States)
Sethna, P. P.
(Kansas State Univ. Manhattan, KS, United States)
Williams, D.
(Kansas State University of Agriculture and Applied Science, Manhattan, Kan., United States)
Date Acquired
August 9, 2013
Publication Date
February 1, 1977
Publication Information
Publication: Optical Society of America
Subject Category
Geophysics
Accession Number
77A22395
Distribution Limits
Public
Copyright
Other

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