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Proceedings Paper

Optical properties of ZnS/diamond composites
Author(s): L. A. Xue; T. W. Noh; A. J. Sievers; Rishi Raj
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Paper Abstract

Diamond particles were employed to toughen zinc sulfide--an infrared transparent, but mechanically weak material in its pure state. The optical properties of pure ZnS were preserved in a composite when the diamond particles were well dispersed and, when compared to the wavelength, their sizes were sufficiently small. Careful control of the processing parameters was required to maintain a small grain size and to limit the phase transformation of ZnS to a non-cubic phase at high temperatures. Measurement of the reflectivity of this composite in the region of the lattice vibration spectrum was used to compare the measured electrodynamic properties with those predicted by two different theoretical models that assume different microstructural morphology. Good agreement was found with the Bruggemann model that assumes both components in the composite have the same type of interconnectedness.

Paper Details

Date Published: 1 December 1991
PDF: 14 pages
Proc. SPIE 1534, Diamond Optics IV, (1 December 1991); doi: 10.1117/12.48291
Show Author Affiliations
L. A. Xue, Cornell Univ. (United States)
T. W. Noh, Cornell Univ. (United States)
A. J. Sievers, Cornell Univ. (United States)
Rishi Raj, Cornell Univ. (United States)

Published in SPIE Proceedings Vol. 1534:
Diamond Optics IV
Albert Feldman; Sandor Holly, Editor(s)

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