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Proceedings Paper

Large optically flat membrane mirrors
Author(s): James R. Rotge; Dan K. Marker; Richard A. Carreras; James Michael Wilkes; Dennis C. Duneman
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Paper Abstract

The feasibility of forming very thin (approximately 100 um), flexible membranes into low-cost, low-mass, large diameter optical elements is being explored. While spherical or parabolic shapes are the ultimate goal for imaging and other light-gathering applications, there are potential applications for large, planar surfaces. Also, knowledge gained while working with planar membranes is being applied to concave structures. Recent efforts have concentrated on measuring and understanding the behavior of currently available materials. This paper discusses experimental results, and describes measurement techniques and membrane materials used. Highlighted are our most recent results on a 11-inch diameter membrane mirror which we measured to be flat to approximately 0.1 um rms.

Paper Details

Date Published: 3 November 1999
PDF: 6 pages
Proc. SPIE 3760, High-Resolution Wavefront Control: Methods, Devices, and Applications, (3 November 1999); doi: 10.1117/12.367592
Show Author Affiliations
James R. Rotge, Boeing North American, Inc. (United States)
Dan K. Marker, Air Force Research Lab. (United States)
Richard A. Carreras, Air Force Research Lab. (United States)
James Michael Wilkes, Air Force Research Lab. (United States)
Dennis C. Duneman, Air Force Research Lab. (United States)

Published in SPIE Proceedings Vol. 3760:
High-Resolution Wavefront Control: Methods, Devices, and Applications
John D. Gonglewski; Mikhail A. Vorontsov, Editor(s)

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