Method for characterization of film thickness and refractive index in volume holographic materials

23 March 1995

proceedings article
Published by SPIE-Intl Soc Optical Eng

p. 88-97
https://doi.org/10.1117/12.205352

Abstract

Independent characterization of changes in film thickness and refractive index is necessary for accurate prediction of the Bragg playback conditions of volume holograms after processing. We have developed a method which uses weak holographic mirrors to characterize processing- induced swelling or shrinkage and index change in volume holographic films, and have applied this method to DuPont OmniDex^TM holographic recording films. Results of these measurements are presented.

Keywords

HOLOGRAPHIC MATERIALS
REFRACTIVE INDEX
HOLOGRAPHY
MIRRORS
VOLUME HOLOGRAPHY

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