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Measurement of Far-Infrared Absorption for Amorphous Silicates between 27 and 400 μm

Published online by Cambridge University Press:  12 April 2016

Chiyoe Koike
Kyoto Pharmaceutical University, Yamashina, Kyoto 607
Hiroshi Shibai
Insitute of Space and Astronautical Science, Sagamihara 229, Japan


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The far-infrared extinction of various silicates was measured in the 27 - 400 μm range of wavelength. The SiO2 content of our samples distributes between 45 and 100 weight (wt.)%. There is no distinct absorption band in the far-infrared region and the extinction decreases in proportion to λ−1.4.

Interplanetary Dust: Physical and Chemical Analysis
Copyright © Kluwer 1991


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