Vortex volume gratings with high diffraction efficiency at 1064 nm

Jingyin Zhao; Yunxia Jin; Dongbing He; Fanyu Kong; Junming Chen; Huifang Dai; Jianwei Mo

doi:10.1117/12.2551660

31 January 2020 Vortex volume gratings with high diffraction efficiency at 1064 nm

Jingyin Zhao, Yunxia Jin, Dongbing He, Fanyu Kong, Junming Chen, Huifang Dai, Jianwei Mo

Proceedings Volume 11427, Second Target Recognition and Artificial Intelligence Summit Forum; 114271M (2020) https://doi.org/10.1117/12.2551660
Event: Second Target Recognition and Artificial Intelligence Summit Forum, 2019, Changchun, China

Abstract

Vortex volume grating (VVG) has advantages of high diffraction efficiency (DE), excellent angular selectivity, broad spectral band, and flexible design, making it a good candidate as an orbital angular momentum (OAM) generator in high power laser system.. In our research, a vortex volume grating with a relative diffraction efficiency of 84.58% and an angular spectrum of 1.864 mrad at 1064 nm is fabricated, and the refractive index modulation (RIM) is retrieved.

Citation Download Citation

Jingyin Zhao, Yunxia Jin, Dongbing He, Fanyu Kong, Junming Chen, Huifang Dai, and Jianwei Mo "Vortex volume gratings with high diffraction efficiency at 1064 nm", Proc. SPIE 11427, Second Target Recognition and Artificial Intelligence Summit Forum, 114271M (31 January 2020); https://doi.org/10.1117/12.2551660

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