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BO WANG1,*
We describe the dual-function device of high-efficiency element and beam splitter grating. In order to improve the efficiency, total internal reflection (TIR) grating is introduced. With the grating parameters optimized using rigorous coupled wave analysis (RCWA), high efficiency of 99.58% can be obtained for TE polarization in the -1st order and 50/50 output can be achieved for TM polarization in the -1st and 0th orders. The presented dual-function grating device has advantages of high efficiency of TIR, high damage threshold of fused silica, and good groove shape tolerance of the total reflection energy during fabrication..
Rigorous coupled-wave analysis, Total internal reflection, High efficiency, Beam splitter.
BO WANG, Improving the performance of high-efficiency element and beam splitter based on total internal reflection grating, Optoelectronics and Advanced Materials - Rapid Communications, 5, 7, July 2011, pp.701-703 (2011).
Submitted at: June 21, 2011
Accepted at: July 25, 2011
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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