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Published October 1996 | Published
Journal Article Open

Exposure schedule for multiplexing holograms in photopolymer films


An iterative method is introduced for determining the exposure schedule for multiplexing holograms in saturable recording materials, such as photopolymers. This method is designed to share all or part of the available dynamic range of the recording material among the holograms to be multiplexed. Using exposure schedules derived from this method, the authors find that the diffraction efficiency of DuPont's HRF‐150 38‐ and 100‐μm photopolymer scale is (2.2/M)^2 and (6.5/M)^2 respectively, where M is the number of holograms recorded. Finally, 1000 holograms were multiplexed at a single location in the 100‐μm thick photopolymer using an exposure schedule derived with this method.

Additional Information

© 1996 Society of Photo−Optical Instrumentation Engineers. Paper 31125 received Dec. 21, 1995; accepted for publication Mar. 19, 1996. We would like to thank Geoffrey Burr for all his helpful comments. We gratefully acknowledge the support of the Air Force Office of Science Research and the National Science Foundation Engineering Research Center, Center for Neuromorphic Systems Engineering for this work.

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