Investigation of holographic AgBr films: optical density, Ag concentration, and index of refraction

Juergen P. Eichler; Gerhard K. Ackermann; S. D. de Magalhaes; O. Goncalves; Piervincenzo Rizzo

doi:10.1117/12.165588

12 January 1994 Investigation of holographic AgBr films: optical density, Ag concentration, and index of refraction

Juergen P. Eichler, Gerhard K. Ackermann, S. D. de Magalhaes, O. Goncalves, Piervincenzo Rizzo

Proceedings Volume 2043, Holographic Imaging and Materials; (1994) https://doi.org/10.1117/12.165588
Event: Optics Quebec, 1993, Quebec City, Canada

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.

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Juergen P. Eichler, Gerhard K. Ackermann, S. D. de Magalhaes, O. Goncalves, and Piervincenzo Rizzo "Investigation of holographic AgBr films: optical density, Ag concentration, and index of refraction", Proc. SPIE 2043, Holographic Imaging and Materials, (12 January 1994); https://doi.org/10.1117/12.165588

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KEYWORDS

Silver

Absorbance

Holography

Refractive index

Holograms

Diffraction

Refraction

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