Photosensitive composites based on chalcogenide glasses and organic polymers

A. M. Andries; V. V. Bivol; S. A. Buzurniuc; E. P. Colomeico; M. S. Iovu; A. Iu. Meshalkin; V. I. Verlan

doi:10.1117/12.756837

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1 August 2007 Photosensitive composites based on chalcogenide glasses and organic polymers

A. M. Andries, V. V. Bivol, S. A. Buzurniuc, E. P. Colomeico, M. S. Iovu, A. Iu. Meshalkin, V. I. Verlan

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Proceedings Volume 6785, ROMOPTO 2006: Eighth Conference on Optics; 67850N (2007) https://doi.org/10.1117/12.756837
Event: ROMOPTO 2006: Eighth Conference on Optics, 2006, Sibiu, Romania

Abstract

New composite and nanocomposite materials consisting from amorphous chalcogenide (As₂S₃, As₂Se₃) and polymers such as polyvinylalcool (PVA) and polyvinylpyrrolidone (PVP) were prepared by inexpensive and easy coating technique from chemical solution and were investigated. Composite retains many properties of the initial components from which they are prepared. Morphology and optical properties of deposited materials in the form of films are presented. The decreasing of the As₂S₃ component in the composite leads to the shift of the absorption edge to higher energies and spheroid dimensions are decreased. For the samples As₂S₃:Pr³⁺/PVA an increasing of transparency in the visible region with respect to pure As₂S₃ was observed. As a result of ultraviolet light irradiation of the composites change of optical properties is observed. For example the refractive index may be change in value 0,1. This allows utilizing these structures for holographic recording of diffraction gratings. The investigated new composites are perspective for different photonic devices as well as for recording media with high resolution.

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A. M. Andries, V. V. Bivol, S. A. Buzurniuc, E. P. Colomeico, M. S. Iovu, A. Iu. Meshalkin, and V. I. Verlan "Photosensitive composites based on chalcogenide glasses and organic polymers", Proc. SPIE 6785, ROMOPTO 2006: Eighth Conference on Optics, 67850N (1 August 2007); https://doi.org/10.1117/12.756837

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