Simultaneous absorption and phase gratings recording in photorefractive Bi12TiO20 crystals

Alexei A. Kamshilin

doi:10.1117/12.2308663

26 July 1993 Simultaneous absorption and phase gratings recording in photorefractive Bi₁₂TiO₂₀ crystals

Alexei A. Kamshilin

Proceedings Volume 1983, 16th Congress of the International Commission for Optics: Optics as a Key to High Technology; 19836S (1993) https://doi.org/10.1117/12.2308663
Event: 16th Congress of the International Commission for Optics: Optics as a Key to High Technology, 1993, Budapest, Hungary

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.

Citation Download Citation

Alexei A. Kamshilin "Simultaneous absorption and phase gratings recording in photorefractive Bi₁₂TiO₂₀ crystals", Proc. SPIE 1983, 16th Congress of the International Commission for Optics: Optics as a Key to High Technology, 19836S (26 July 1993); https://doi.org/10.1117/12.2308663

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