Paper
19 November 2003 Transformation of polarized light beams in crystals with complex anisotropy
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Proceedings Volume 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life; (2003) https://doi.org/10.1117/12.524892
Event: 19th Congress of the International Commission for Optics: Optics for the Quality of Life, 2002, Florence, Italy
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.
© (2003) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Svetlana N. Kurilkina "Transformation of polarized light beams in crystals with complex anisotropy", Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); https://doi.org/10.1117/12.524892
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KEYWORDS
Crystals

Laser crystals

Anisotropy

Laser beam propagation

Light wave propagation

Optical properties

Wave propagation

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