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15 May 1997 Novel holographic color filters with double transmission holograms
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Abstract
A novel transmission structure of holographic color filters is introduced. The device is based on the natural characteristics of angular color dispersion in transmission holograms, and the optical reciprocity interacting with two same transmission structure. The type of holographic color filters, differed from before, is composed of two same structure of transmission holograms which are laminated on the both side of transparent substrate. The first transmission hologram diffract normally incident white light, generally emitted from metal halide lamp, into transparent substrate with angular color separation. The diffracted beams transmitted through substrate and are separated for different R, G, B wavelengths. At last, the different R, G, B beams normally couple out with the second hologram as same structure as first one due to optical reciprocity. A light beam matrix mask (LBM) is presented to produce R, G, B pixel, and provided an approach in LCD application.
© (1997) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Weichung Chao and Sien Chi "Novel holographic color filters with double transmission holograms", Proc. SPIE 3010, Diffractive and Holographic Device Technologies and Applications IV, (15 May 1997); https://doi.org/10.1117/12.274430
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