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Proceedings Paper

Simultaneous absorption and phase gratings recording in photorefractive Bi12TiO20 crystals
Author(s): Alexei A. Kamshilin
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Paper Abstract

In present work the peculiarities of chalcogenide vitreous semiconductor (ChVS) layers utilization for recording and production of holograms are considered. The utilization of ChVS layers in a quality of such media most frequently is based on utilization of the two effects: photostructural transformations in such layers 1, leading to the solubility changes ( as in present work), or on photodoping effect (various ChVS-Ag system) 2. Media on the base of ChVS layers satisfy rather rigid demands that are applied to the media for holography 3i4: posess high resolution (not less than 4000 lines/mm), have suitable sensitivity (exposure values under recording of simplest holograms - diffraction gratings may consist 0.1-1 J/cm2 ), they proviode high uniformity of materal. The forming relief image can be as negative,as well as the positive one, depending on the etchant nature.

Paper Details

Date Published: 26 July 1993
PDF: 2 pages
Proc. SPIE 1983, 16th Congress of the International Commission for Optics: Optics as a Key to High Technology, 19836S (26 July 1993); doi: 10.1117/12.2308663
Show Author Affiliations
Alexei A. Kamshilin, Univ. of Joensuu (Finland)


Published in SPIE Proceedings Vol. 1983:
16th Congress of the International Commission for Optics: Optics as a Key to High Technology
Gyorgy Akos; Tivadar Lippenyi; Gabor Lupkovics; Andras Podmaniczky, Editor(s)

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