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Proceedings Paper

Fabrication Of XLWIR Window Materials
Author(s): Hyoun-Ee Kim; A. J. Moorhead
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Paper Abstract

A technique was developed for fabrication of strong, fully dense, polycrystalline windows of CsI by hot-pressing in a steel die. We began with ultra-pure, ultra-dry CsI powder and conducted all processing operations within a glove box purged with dry N2. We were able to hot-press 5.08 cm CsI discs having transmittance of about 80% in the extra long wavelength (≥ 10 μm) infrared range--equivalent to that of single crystal CsI. The flexural strength of CsI bars fabricated by hot-pressing small-particle-size powder was 18 MPa, about 5 times higher than that of single crystal CsI.

Paper Details

Date Published: 30 June 1989
PDF: 8 pages
Proc. SPIE 1050, Infrared Systems and Components III, (30 June 1989); doi: 10.1117/12.951442
Show Author Affiliations
Hyoun-Ee Kim, Oak Ridge National Laboratory (United States)
A. J. Moorhead, Oak Ridge National Laboratory (United States)

Published in SPIE Proceedings Vol. 1050:
Infrared Systems and Components III
Robert L. Caswell, Editor(s)

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