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Optical Engineering

Laser Beam Scanners Constructed From Volume Holograms
Author(s): Steven K. Case; Volker Gerbig
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Paper Abstract

We combine the scan flexibility of computer-generated holographic laser beam scanners with the high diffraction efficiency of volume phase holograms to produce a new type of "holo-scanner." The scanner-hologram consists of numerous, small, volume hologram facets recorded in dichromated gelatin films and produces an arbitrary output pattern with greater than 90% light efficiency. Experimental results for discrete point, continuous line, and 3-D scanners are shown. Multiwavelength and materials processing scanners are also considered.

Paper Details

Date Published: 1 October 1980
PDF: 5 pages
Opt. Eng. 19(5) doi: 10.1117/12.7972592
Published in: Optical Engineering Volume 19, Issue 5
Show Author Affiliations
Steven K. Case, University of Minnesota (United States)
Volker Gerbig, Physikalisches Institut (Federal Republic of Germany)

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