Holographic Optical Elements Recorded in Silver Halide Sensitized Gelatin Emulsions. Part I. Transmission Holographic Optical Elements

Kim, J M, Choi, B S, Kim, S I, Bjelkhagen, H I and Phillips, N J (2001) Holographic Optical Elements Recorded in Silver Halide Sensitized Gelatin Emulsions. Part I. Transmission Holographic Optical Elements.

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Abstract

Silver halide sensitized gelatin (SHSG) holograms are similar to holograms recorded in dichromated gelatin (DCG), the main recording material for holographic optical elements (HOE’s). The drawback of DCG is its low sensitivity and limited spectral response. Silver halide materials can be processed in such a way that the final hologram will have properties like a DCG hologram. Recently this technique has become more interesting since the introduction of new ultra-high-resolution silver halide emulsions. An optimized processing technique for transmission HOE’s recorded in these materials is introduced. Diffraction efficiencies over 90% can be obtained for transmissive diffraction gratings. Understanding the importance of the selective hardening process has made it possible to obtain results similar to conventional DCG processing. The main advantage of the SHSG process is that high-sensitivity recording can be performed with laser wavelengths anywhere within the visible spectrum. This simplifies the manufacturing of high-quality, large-format HOE’s.

Item Type: Article
Additional Information: © 2001 Optical Society of AmericaThis paper was published in Applied Optics journal in 2001 and is made available as metadata only on this website with the permission of Optical Society of America. The paper can be found at the following URL on the OSA website: http://dx.doi.org/10.1364/AO.40.000622Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
Keywords: Silver halide sensitized gelatin, holograms, dichromated gelatin, ultra-high-resolution silver halide emulsions, laser wavelengths
Divisions: ?? GlyndwrUniversity ??
Depositing User: ULCC Admin
Date Deposited: 05 Oct 2011 09:14
Last Modified: 11 Dec 2017 20:06
URI: https://glyndwr.repository.guildhe.ac.uk/id/eprint/351

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