Control of the Optical Properties of a CaCO3 Crystal in Problems of Generating Bessel Vortex Beams by Heating
V. D. Paranin1, S. N. Khonina1,2, S. V. Karpeev1,2
1Samara State Aerospace University, Moskovskoe Shosse 34, Samara, 443086 Russia
2Image Processing Systems Institute, Russian Academy of Sciences, ul. Molodogvardeiskaya 151, Samara, 443001 Russia
Keywords: лазерные вихревые пучки Бесселя, одноосный кристалл, термооптический эффект, тепловое расширение, Bessel laser vortex beams, uniaxial crystal, thermo-optic effect, thermal expansion
Pages: 174-179
Abstract
The transformation of zero-order Bessel beams to a second-order Bessel vortex beam in a c-cut CaCO3 crystal has been studied experimentally. It has been shown that it is possible to control the beam transformation in the crystal during heating. The influence of the thermo-optic effect and the linear thermal expansion of the crystal on the transformation of the Bessel beam is explained.
DOI: http://dx.doi.org/10.3103/S8756699016020102
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