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Proceedings Paper

II-VI Semiconducting Materials For Enhanced Transmission In Infrared Region
Author(s): C. L. Nagendra; M. N. Annapurna; G. K. M. Thutupalli
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Paper Abstract

Keeping in view the importance of the development of antireflection coatings (ARC) on germanium (Ge) and silicon (Si) in the infrared region, suitable for terrestrial and space applications, the optical, thermal and mechanical properties of various semiconducting and dielectric materials are briefly reviewed. Cadmium telluride (CdTe) and zinc selenide (ZnSe) which are found to be the most suitable materials for ARC systems are deposited on Ge and their optical and non-optical properties are studied in detail. It is found that both these coatings enhance the transmission of Ge by 100%. CdTe coatings in particular are found to withstand all severe environmental tests as per military specifications.

Paper Details

Date Published: 18 September 1983
PDF: 8 pages
Proc. SPIE 0400, New Optical Materials, (18 September 1983); doi: 10.1117/12.935472
Show Author Affiliations
C. L. Nagendra, ISRO Satellite Centre (ISAC) (India)
M. N. Annapurna, ISRO Satellite Centre (ISAC) (India)
G. K. M. Thutupalli, ISRO Satellite Centre (ISAC) (India)

Published in SPIE Proceedings Vol. 0400:
New Optical Materials
Solomon Musikant; Josette Dupuy, Editor(s)

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