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Proceedings Paper

Sapphire fabrication for precision optics
Author(s): Maynard B. Smith; Frederick Schmid; Chandra P. Khattak; Keil A. Schmid; Donald Golini; John C. Lambropoulos; Mark A. Atwood; Y. Y. Zhou; Paul D. Funkenbusch
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Paper Abstract

Large sapphire components are required to meet the challenging needs of commercial and military optical applications. However, the desirable properties of sapphire also make it difficult to grind and polish. Fabrication costs can represent 50 percent of the price of large sapphire components. Cutting and grinding studies on sapphire were carried out with four types of diamond tools to correlate tool characteristics and process parameters with the grinding mechanism. The Twyman effect was also investigated to relate to crystallographic properties of sapphire with fabrication concerns. If grinding and microgrinding techniques can be optimized, costs associated with fabrication of sapphire and other optical materials will ultimately be reduced.

Paper Details

Date Published: 11 November 1996
PDF: 14 pages
Proc. SPIE 2857, Advanced Materials for Optical and Precision Structures, (11 November 1996); doi: 10.1117/12.258291
Show Author Affiliations
Maynard B. Smith, Crystal Systems, Inc. (United States)
Frederick Schmid, Crystal Systems, Inc. (United States)
Chandra P. Khattak, Crystal Systems, Inc. (United States)
Keil A. Schmid, Crystal Systems, Inc. (United States)
Donald Golini, Univ. of Rochester (United States)
John C. Lambropoulos, Univ. of Rochester (United States)
Mark A. Atwood, Univ. of Rochester (United States)
Y. Y. Zhou, Univ. of Rochester (United States)
Paul D. Funkenbusch, Univ. of Rochester (United States)


Published in SPIE Proceedings Vol. 2857:
Advanced Materials for Optical and Precision Structures
Mark A. Ealey, Editor(s)

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