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Proceedings Paper

Vortex volume gratings with high diffraction efficiency at 1064 nm
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Paper 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.

Paper Details

Date Published: 31 January 2020
PDF: 7 pages
Proc. SPIE 11427, Second Target Recognition and Artificial Intelligence Summit Forum, 114271M (31 January 2020);
Show Author Affiliations
Jingyin Zhao, Shanghai Institute of Optics and Fine Mechanics (China)
Univ. of Chinese Academy of Sciences (China)
Key Lab. of Materials for High Power Laser (China)
Yunxia Jin, Shanghai Institute of Optics and Fine Mechanics (China)
Key Lab. of Materials for High Power Laser (China)
Dongbing He, Shanghai Institute of Optics and Fine Mechanics (China)
Key Lab. of Materials for High Power Laser (China)
Fanyu Kong, Shanghai Institute of Optics and Fine Mechanics (China)
Key Lab. of Materials for High Power Laser (China)
Junming Chen, Shanghai Institute of Optics and Fine Mechanics (China)
Key Lab. of Materials for High Power Laser (China)
Huifang Dai, Shanghai Institute of Optics and Fine Mechanics (China)
Univ. of Chinese Academy of Sciences (China)
Key Lab. of Materials for High Power Laser (China)
Jianwei Mo, Shanghai Institute of Optics and Fine Mechanics (China)
Univ. of Chinese Academy of Sciences (China)
Key Lab. of Materials for High Power Laser (China)


Published in SPIE Proceedings Vol. 11427:
Second Target Recognition and Artificial Intelligence Summit Forum
Tianran Wang; Tianyou Chai; Huitao Fan; Qifeng Yu, Editor(s)

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