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Proceedings Paper

Fabrication and testing of large-area VPH gratings
Author(s): Richard D. Rallison; Ruth W. Rallison; LeRoy D. Dickson
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Paper Abstract

Large area volume phase holographic (VPH) gratings have been made for use in spectrographs attached to large telescopes and for scanning LIDAR systems. Examples of the transmitted wavefronts, the spectral efficiency measurements and other parameters such as uniformity, scatter, absorption and Q have been gathered and presented. Two exposure layouts have been used and are described along with some discussion of modulation and bulk index of processed DCG. A discussion of thickness regimes is given. A special case (Dickson) design is presented with examples of performance and some intrinsic properties.

Paper Details

Date Published: 30 January 2003
PDF: 12 pages
Proc. SPIE 4842, Specialized Optical Developments in Astronomy, (30 January 2003); doi: 10.1117/12.459477
Show Author Affiliations
Richard D. Rallison, Ralcon Development Lab. (United States)
Ruth W. Rallison, Ralcon Development Lab. (United States)
LeRoy D. Dickson, Ralcon Development Lab. (United States)

Published in SPIE Proceedings Vol. 4842:
Specialized Optical Developments in Astronomy
Eli Atad-Ettedgui; Sandro D'Odorico, Editor(s)

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