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Proceedings Paper

Ultra-fine-grain silver halide emulsions for color holography: preparation and spectral characterization
Author(s): Masashi Iwasaki; Toshihiro Kubota
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Paper Abstract

Ultra-fine-grain silver halide emulsions for true color reflection holograms were prepared in our laboratory. The emulsions with average grain diameters of about 10 nm were spectrally sensitized with various types of cyanine dyes. The absorption spectra of dyed emulsion sols could be observed directly because the sols showed no observable scattering. The photographic and holographic characteristics of our laboratory-made emulsion plates were evaluated and discussed in connection with the results of absorption spectrum measurements of dyed emulsion sols and dye solutions. Each reconstructed reflectance spectrum of the red, green and blue recorded holographic gratings showed a higher than 50% diffraction efficiency. The possibilities that one can prepare the silver halide emulsion plates for true color reflection holograms in his own dark room were pointed out.

Paper Details

Date Published: 1 February 1998
PDF: 10 pages
Proc. SPIE 3358, Sixth International Symposium on Display Holography, (1 February 1998); doi: 10.1117/12.301453
Show Author Affiliations
Masashi Iwasaki, Kyoto Institute of Technology (Japan)
Toshihiro Kubota, Kyoto Institute of Technology (Japan)

Published in SPIE Proceedings Vol. 3358:
Sixth International Symposium on Display Holography
Tung H. Jeong, Editor(s)

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