14 December 2016 Azimuthal polarizer with phase shift for subwavelength focusing of laser light
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Proceedings Volume 10176, Asia-Pacific Conference on Fundamental Problems of Opto- and Microelectronics; 101761C (2016) https://doi.org/10.1117/12.2268420
Event: Asia-Pacific Conference on Fundamental Problems of Opto- and Microelectronics, 2016, Khabarovsk, Russia
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.
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Sergey S. Stafeev, Sergey S. Stafeev, Anton G. Nalimov, Anton G. Nalimov, Liam O'Faolain, Liam O'Faolain, Maria V. Kotlyar, Maria V. Kotlyar, Victor V. Kotlyar, Victor V. Kotlyar, } "Azimuthal polarizer with phase shift for subwavelength focusing of laser light", Proc. SPIE 10176, Asia-Pacific Conference on Fundamental Problems of Opto- and Microelectronics, 101761C (14 December 2016); doi: 10.1117/12.2268420; https://doi.org/10.1117/12.2268420
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