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Proceedings Paper

Linear to radial polarization optical convertor with larger diameter and high damage threshold fabricated by single point diamond turning
Author(s): Lingliang Liang; Can Li; Shaorong Chen; Fenfang Yuan; Ru Yan; Xiaobo Tan; Hui Jia; Zhengzheng Shao; Bin Deng
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Paper Abstract

We present a symmetrically semi-spiral phase plate (SSSPP), which possesses a continuous and closed surface, for converting a linear polarization light into radial polarization light. By technique of ultra-precision free-form surface machining, it is possible to achieve a convertor with large aperture and high damage threshold. This kind of SSSPPs, firstly fabricated using MgF2 and CaF2 with Φ50mm by single point diamond turning, is demonstrated and measured in an experiment. Additionally, the available materials also include KDP, LiNbO3, some plastic material and glasses, etc.

Paper Details

Date Published: 29 March 2019
PDF: 4 pages
Proc. SPIE 11046, Fifth International Symposium on Laser Interaction with Matter, 1104615 (29 March 2019); doi: 10.1117/12.2522158
Show Author Affiliations
Lingliang Liang, National Univ. of Defense Technology (China)
Can Li, National Univ. of Defense Technology (China)
Shaorong Chen, National Univ. of Defense Technology (China)
Fenfang Yuan, National Univ. of Defense Technology (China)
Ru Yan, National Univ. of Defense Technology (China)
Xiaobo Tan, National Univ. of Defense Technology (China)
Hui Jia, National Univ. of Defense Technology (China)
Zhengzheng Shao, National Univ. of Defense Technology (China)
Bin Deng, National Univ. of Defense Technology (China)


Published in SPIE Proceedings Vol. 11046:
Fifth International Symposium on Laser Interaction with Matter
YiJun Zhao, Editor(s)

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