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An interference scheme for generating inhomogeneously polarized laser radiation using a spatial light modulator

S.V. Karpeev 1,2, V.V. Podlipnov 1,2, A.M. Algubili  2

1 IPSI RAS – Branch of the FSRC “Crystallography and Photonics” RAS,

443001, Samara, Russia, Molodogvardeyskaya 151,

2 Samara National Research University, 443086, Samara, Russia, Moskovskoye Shosse 34

 PDF, 882 kB

DOI: 10.18287/2412-6179-CO-698

Pages: 214-218.

Full text of article: Russian language.

Abstract:
An optical system for converting linearly polarized laser beams into cylindrical vector beams is developed and experimentally investigated. The scheme is based on the coherent addition of mode beams using a Mach-Zehnder interferometer. The simplicity and versatility of the optical setup is achieved through the use of different sections in the area of the spatial light modulator for the si-multaneous generation of two spatially separated given mode beams. Each of the beams then propagates in one of the arms of the interferometer and undergoes the necessary polarization-phase transformations to obtain a cylindrical vector beam after the addition of mode beams.

Keywords:
spatial light modulator, coherent superposition, cylindrical vector beams.

Citation:
Karpeev SV, Podlipnov VV, Algubili AM. An interference scheme for generating in-homogeneously polarized laser radiation using a spatial light modulator. Computer Optics 2020; 44(2): 214-218. DOI: 10.18287/2412-6179-CO-698.

Acknowledgements:
This work was supported by the RF Ministry of Science and Higher Education under the government project of FSRC «Crystallography and Photonics» RAS ("DOE calculation") and Russian Science Foundation under projects Nos. 18-29-20045-mk ("Experimental research") and 18-07-01470 ("Formation of vortex beams").

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