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Information × Registration Number 0212U007211, 0112U007128 , R & D reports Title The structural stability of the polarization and phase singularities of optical beams in parametric and non-uniform perturbed anisotropic media popup.stage_title Head Vlokh rostyslav Orestovych, Registration Date 25-09-2012 Organization Institute of Physical Optics named after O.G. Vlokh of Ministry of Education and Science of Ukraine popup.description2 The method of optical vortices generation based on samples bending was proposed. The method of piezooptic coefficients pi14 and pi25 measurement at torsion of trigonal crystals belonging to 3 and -3 point group of symmetry was proposed and described. It was shown that the distribution of birefringence in twisted around Z axis crystals possess the form of canonical cone. Paraxial vector erf-Gaussian beams with field distribution as error function which is limited by cone of plane waves with fractional step of azimuthal distribution of phase and modulated by Gaussian envelope were analized. Product Description popup.authors Алексеєв Костянтин Михайлович Васильків Юрій Васильович Влох Ростислав Орестович Воляр Олександр Володимирович Костирко Мирослав Євгенійович Скаб Ігор Петрович Фадеєва Тетяна Андріївна popup.nrat_date 2020-04-02 Close