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Proceedings Paper

Four-port beam splitter of a single-groove grating
Author(s): Changcheng Xiang; Changhe Zhou; Wei Jia; Jin Wang
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Paper Abstract

A single-groove grating for four-port TE-polarization beam splitting under normal incidence at the wavelength of 632.8nm is presented. The total efficiency of the beam splitter is over 77% with beam split uniformity better than 5%. Rigorous coupled-wave analysis (RCWA) and the simulated annealing (SA) algorithm are employed to design this beam splitter grating. The tolerance of fabrication errors of the grating is analyzed.

Paper Details

Date Published: 8 November 2018
PDF: 4 pages
Proc. SPIE 10818, Holography, Diffractive Optics, and Applications VIII, 1081812 (8 November 2018); doi: 10.1117/12.2501058
Show Author Affiliations
Changcheng Xiang, Jinan Univ. (China)
Changhe Zhou, Jinan Univ. (China)
Wei Jia, Jinan Univ. (China)
Jin Wang, Jinan Univ. (China)


Published in SPIE Proceedings Vol. 10818:
Holography, Diffractive Optics, and Applications VIII
Yunlong Sheng; Chongxiu Yu; Changhe Zhou, Editor(s)

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