Linear to radial polarization optical convertor with larger diameter and high damage threshold fabricated by single point diamond turning

Lingliang Liang; Can Li; Shaorong Chen; Fenfang Yuan; Ru Yan; Xiaobo Tan; Hui Jia; Zhengzheng Shao; Bin Deng

doi:10.1117/12.2522158

29 March 2019 Linear to radial polarization optical convertor with larger diameter and high damage threshold fabricated by single point diamond turning

Lingliang Liang, Can Li, Shaorong Chen, Fenfang Yuan, Ru Yan, Xiaobo Tan, Hui Jia, Zhengzheng Shao, Bin Deng

Author Affiliations +

Proceedings Volume 11046, Fifth International Symposium on Laser Interaction with Matter; 1104615 (2019) https://doi.org/10.1117/12.2522158
Event: Fifth International Symposium on Laser Interaction with Matter, 2018, Changsha, China

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.

Citation Download Citation

Lingliang Liang, Can Li, Shaorong Chen, Fenfang Yuan, Ru Yan, Xiaobo Tan, Hui Jia, Zhengzheng Shao, and Bin Deng "Linear to radial polarization optical convertor with larger diameter and high damage threshold fabricated by single point diamond turning", Proc. SPIE 11046, Fifth International Symposium on Laser Interaction with Matter, 1104615 (29 March 2019); https://doi.org/10.1117/12.2522158

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