Optical increase of photo-integrated micro- and nano-periodic susceptibility lattices

Vitaly A Smirnov; Liubov I. Vostrikova

doi:10.1117/12.2179705

19 March 2015 Optical increase of photo-integrated micro- and nano-periodic susceptibility lattices

Vitaly A Smirnov, Liubov I. Vostrikova

Proceedings Volume 9448, Saratov Fall Meeting 2014: Optical Technologies in Biophysics and Medicine XVI; Laser Physics and Photonics XVI; and Computational Biophysics; 94480Y (2015) https://doi.org/10.1117/12.2179705
Event: Saratov Fall Meeting 2014, 2014, Saratov, Russian Federation

Abstract

It is demonstrated that the nonlinear photo-integrated micro- and nano-periodic second-order susceptibility lattices with very small amplitudes which were preliminarily recorded using bi-chromatic powerful laser light in amorphous glass materials can be increased up to some orders of magnitude under the action of a simple coherent monochromatic radiation. The optical increase of the small lattices takes place independent of the polarization and direction of propagation of the optical amplifying radiation and is achieved at various wavelengths. The observed phenomenon is not be explained only by nonlinear wave interaction in medium and also may be related to the microscopic asymmetry processes of the optical transitions between local centers in an isotropic medium that leads to the appearance and growth of the all-optically induced small micro- and nano-periodic electrical charges separations inside the sample. Possible mechanisms that may be responsible for the observed effects in the studied phosphate glasses are discussed.

Citation Download Citation

Vitaly A Smirnov and Liubov I. Vostrikova "Optical increase of photo-integrated micro- and nano-periodic susceptibility lattices", Proc. SPIE 9448, Saratov Fall Meeting 2014: Optical Technologies in Biophysics and Medicine XVI; Laser Physics and Photonics XVI; and Computational Biophysics, 94480Y (19 March 2015); https://doi.org/10.1117/12.2179705

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