Holographic recording in amorphous chalcogenide semiconductor thin films

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Abstract
The photo induced changes of optical properties and holographic recording in amorphous chalcogenide semiconductor As-S-Se and As2S3 thin films have been studied. The possibilities of the practical applications of these materials as the photoresists for the production of the relief holograms and holographic optical elements are discussed. It is shown that the self-enhancement phenomenon of holographic recording in amorphous chalcogenide semiconductor films by light or thermal treatment can be used to increase the diffraction efficiency of the holograms.

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