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Proceedings Paper

Design Of Holographic Gratings On Primary Mirrors For Beam Sampling
Author(s): R. J. Withrington; N. Wu; H. M. Spencer
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Paper Abstract

Nonlinear holographic gratings are of interest in laser systems for sampling beams from the primary mirror of a large beam expander. The sampled beam is then used for wavefront control purposes. This paper discusses the optical design and geometrical properties of the grating and its construction optics. The design and performance of a 30-cm aperture bread-board covering a 4-inrad field of view with an 8X, f/1.5 beam expander are then discussed. The wavefront aberration differences between the sampled and laser beams are corrected to within a maximum error of 0.3 µm.

Paper Details

Date Published: 10 February 1981
PDF: 7 pages
Proc. SPIE 0240, Periodic Structures, Gratings, Moire Patterns, and Diffraction Phenomena I, (10 February 1981); doi: 10.1117/12.965635
Show Author Affiliations
R. J. Withrington, Hughes Aircraft Company (United States)
N. Wu, Hughes Aircraft Company (United States)
H. M. Spencer, Hughes Aircraft Company (United States)

Published in SPIE Proceedings Vol. 0240:
Periodic Structures, Gratings, Moire Patterns, and Diffraction Phenomena I
C. H. Chi; E. G. Loewen; C. L. O'Bryan III, Editor(s)

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