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Proceedings Paper

Transformation of polarized light beams in crystals with complex anisotropy
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Paper Abstract

It has been established that radiation with arbitrary space structure may be presented in the form of superposition of Gauss-Hermit beams. Their parameters are connected with group velocity and curvatures of wave velocity surface. It has been obtained compact expressions determining the beam divergence in crystals with complex anisotropy (natural, induced by external fields, caused by existence of space periodicity of optical properties, gyrotropy). It has been grounded the perspectives of use of media with locally concave regions of wave vector surface for creation of focusing elements. It has been proposed binary focusing-defocusing optical scheme. In the latter light modes, disturbed in biaxial gyrotropic crystal, propagating along optical axis, or in anisotropic medium with periodical non-uniformity, may be used. Switching of modes and, hence, the choice of functional regime (focusing/defocusing) is realized by external polarization system.

Paper Details

Date Published: 19 November 2003
PDF: 2 pages
Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); doi: 10.1117/12.524892
Show Author Affiliations
Svetlana N. Kurilkina, Gomel State Univ. (Belarus)


Published in SPIE Proceedings Vol. 4829:
19th Congress of the International Commission for Optics: Optics for the Quality of Life

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