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Multifacet holographic optical elements for wave front transformations.

作者信息

Case S K, Haugen P R, Løkberg O J

出版信息

Appl Opt. 1981 Aug 1;20(15):2670-5. doi: 10.1364/AO.20.002670.

DOI:10.1364/AO.20.002670
PMID:20333016
Abstract

A new type of holographic optical element combines some of the flexibility of computer-generated holograms with the high light efficiency of volume phase holograms to produce optical elements capable of arbitrary illumination transformations with nearly 100% light efficiency. The optical element is recorded by subdividing a volume hologram film surface into numerous small areas (facets), each of which is individually exposed. A final optical system consisting of two dichromated gelatin holograms in series is demonstrated. The first hologram spatially redistributes the incident light, and the second hologram produces a desired phase front on the redistributed light.

摘要

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