Nagal A. Influence of polarization on the radiation - induced formation of spontaneous periodic structures in thin light-sensitive films

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0499U002654

Thesis Registration Form

0499U002654.pdf

Applicant for

Specialization

  • 01.04.07 - Фізика твердого тіла

08-10-1999

Specialized Academic Board

Д64.051.03

Essay

Formation of periodic structures, induced by laser beams of different polarization in thin light-sensitive waveguide AgCl-Ag films was investigated. Under elliptically polarized light orientation of micro-gratings depends on the value and sign of the ellipticity. We showed the crucial role of two-dimensional Bragg diffraction of TE-modes, on the anisometric Ag particles, in complicated evolution of gratings under successive action of different polarization. Influence of photoinduced gyrotropy and also formation of gratings on the scattered radiative TE-modes were investigated. On the base of these peculiarities were proposed two new methods for recording of optical information.

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