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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 10, Iss. 1 — Jan. 1, 1971
  • pp: 51–57

Spectral Absorption Characteristics of the Major Components of Dust Clouds

D. F. Flanigan and H. P. DeLong  »View Author Affiliations


Applied Optics, Vol. 10, Issue 1, pp. 51-57 (1971)
http://dx.doi.org/10.1364/AO.10.000051


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Abstract

It is well known that dust clouds selectively absorb radiation in the 700–1300 cm−1 atmospheric window region. Studies have shown that dust clouds are composed of the same minerals as surface soils, although in different proportion. We have examined seventy soil samples from a number of locations around the world to determine their compositions and spectral characteristics. The results indicate that there are five major components which selectively absorb radiation in the 700–1300 cm−1 region. These are three clay minerals, silica, and calcium carbonate. Absorptivity coefficient spectra of representative soil samples are given.

© 1971 Optical Society of America

History
Original Manuscript: April 30, 1970
Published: January 1, 1971

Citation
D. F. Flanigan and H. P. DeLong, "Spectral Absorption Characteristics of the Major Components of Dust Clouds," Appl. Opt. 10, 51-57 (1971)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-10-1-51

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