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Proceedings Paper

Investigation of holographic AgBr films: optical density, Ag concentration, and index of refraction
Author(s): Juergen P. Eichler; Gerhard K. Ackermann; S. D. de Magalhaes; O. Goncalves; Piervincenzo Rizzo
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Paper Abstract

An important quality in holography is the diffraction efficiency, a measure of intensity within the reconstructed image. It depends on the spatial modulation in the holographic film, which is determined by the distribution of silver and halide after exposure and developing or of silver halide after bleach. In this paper measurements are presented of optical density, silver concentration, and refractive index within exposed and processed holographic film. The data show, that the refractive index modulation is in the order of (Delta) n approximately equals 0.05. With these results it is possible to understand and design holographic experiments more accurately as far as maximum diffraction efficiency is concerned.

Paper Details

Date Published: 12 January 1994
PDF: 6 pages
Proc. SPIE 2043, Holographic Imaging and Materials, (12 January 1994); doi: 10.1117/12.165588
Show Author Affiliations
Juergen P. Eichler, Technische Fachhochschule Berlin (Germany)
Gerhard K. Ackermann, Technische Fachhochschule Berlin (Germany)
S. D. de Magalhaes, Univ. Federal do Rio de Janeiro (Brazil)
O. Goncalves, Univ. Federal do Rio de Janeiro (Brazil)
Piervincenzo Rizzo, Univ. Federal do Rio de Janeiro (Brazil)


Published in SPIE Proceedings Vol. 2043:
Holographic Imaging and Materials

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