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PHOTOINDUCED DEFORMATIONS IN CHALCOGENIDE GLASSES: SCALAR AND VECTORAL

K. Tanaka1,*

Affiliation

  1. Department of Applied Physics, Graduate School of Engineering, Hokkaido University, Sapporo 060-8628, Japan

Abstract

Chalcogenide glasses such as As2S3 and AgAsS2 are known to exhibit photoinduced isotropic and anisotropic deformations. In As2S3, which is assumed to have segmental layer structures, the deformations are produced by interlayer-type expansive force and photoinduced fluidity. The anisotropic deformation upon illumination of linearly-polarized light arises from layer alignment. In AgAsS2, photoinduced Ag+ ion migration is responsible, which is affected by light scattering and optical interference in the anisotropic pattern formation..

Keywords

Photoinduced phenomena, Photographic reaction, Weigert effect, Chalcogenide glass.

Submitted at: Aug. 24, 2005
Accepted at: Sept. 22, 2005

Citation

K. Tanaka, PHOTOINDUCED DEFORMATIONS IN CHALCOGENIDE GLASSES: SCALAR AND VECTORAL, Journal of Optoelectronics and Advanced Materials Vol. 7, Iss. 5, pp. 2571-2580 (2005)