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Proceedings Paper

Properties Of Optical Elements With Ultra-High Spatial Frequency Surface Corrugations
Author(s): Steven K. Case; Rolf C. Enger
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Paper Abstract

In this paper we discuss the properties of optical elements fabricated by holographically recording an ultra-high spatial-frequency pattern in a photoresist mask followed by reactive ion etching to transfer this pattern into the surface of a quartz substrate. Such optical elements are envionmentally durable, potentially easy to replicate, and exhibit diffraction efficiencies in excess of 85%. In addition, two other properties are reported. Such elements at normal (00) incidence are antireflective, with broadband reflection coefficients as low as 0.035%. Also, the elements exhibit artificially produced birefringence making them useful as wave plates. These results may be particularly significant in the UV and IR, where damage-resistant antireflection coatings and transparent birefringent materials may not exist.

Paper Details

Date Published: 12 June 1985
PDF: 8 pages
Proc. SPIE 0523, Applications of Holography, (12 June 1985); doi: 10.1117/12.946292
Show Author Affiliations
Steven K. Case, University of Minnesota (United States)
Rolf C. Enger, U.S.Air Force Academy (United States)

Published in SPIE Proceedings Vol. 0523:
Applications of Holography
Lloyd Huff, Editor(s)

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