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Proceedings Paper

Azimuthal polarizer with phase shift for subwavelength focusing of laser light
Author(s): Sergey S. Stafeev; Anton G. Nalimov; Liam O'Faolain; Maria V. Kotlyar; Victor V. Kotlyar
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Paper Abstract

We have numerically and experimentally investigated subwavelength grating-polarizer that transform linearly polarized light of wavelength 633 nm into azimuthally polarized beam with a phase shift π at diametrically opposite points of the beam. This beam focused by Fresnel zone plate with focal length 532 nm produces focal spot with diameters equal to 0.42 and 0.81 of wavelength.

Paper Details

Date Published: 14 December 2016
PDF: 8 pages
Proc. SPIE 10176, Asia-Pacific Conference on Fundamental Problems of Opto- and Microelectronics, 101761C (14 December 2016); doi: 10.1117/12.2268420
Show Author Affiliations
Sergey S. Stafeev, Image Processing Systems Institute (Russian Federation)
Samara National Research Univ. (Russian Federation)
Anton G. Nalimov, Image Processing Systems Institute (Russian Federation)
Samara National Research Univ. (Russian Federation)
Liam O'Faolain, Univ. of St. Andrews (United Kingdom)
Maria V. Kotlyar, Samara National Research Univ. (Russian Federation)
Victor V. Kotlyar, Image Processing Systems Institute (Russian Federation)
Samara National Research Univ. (Russian Federation)


Published in SPIE Proceedings Vol. 10176:
Asia-Pacific Conference on Fundamental Problems of Opto- and Microelectronics
Yuri N. Kulchin; Roman V. Romashko; Alexander V. Syuy, Editor(s)

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