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HAO PEI1, BO WANG1,* , SUFANG YIN1, CHENGYUE SU1, LI CHEN1, LIANG LEI1, JINYUN ZHOU1
A 50%-50% splitting ratio element is presented by the covering-layer grating. The novel grating introduces a covering layer on the surface-relief grating, which can not only protect the grating surface but also improve the performance of a beam splitter compared with the surface-relief grating. The beam splitter based on fused silica is optimized for the femtosecond laser with high damage threshold. For different incident wavelengths and angles, the 50%-50% splitting ratio element exhibits wideband properties, which are useful compared with most beam splitters operated for certain incident wavelength or angle..
Covering layer, Uniformity, Splitting ratio.
HAO PEI, BO WANG, SUFANG YIN, CHENGYUE SU, LI CHEN, LIANG LEI, JINYUN ZHOU, 50%-50% splitting ratio element by covering-layer grating, Optoelectronics and Advanced Materials - Rapid Communications, 11, 7-8, July-August 2017, pp.419-422 (2017).
Submitted at: May 4, 2014
Accepted at: Aug. 9, 2017
Optoelectronics and Advanced Materials - Rapid Communications
(2022): 0.5 - 2022 Journal Citation Reports (Clarivate Analytics, 2023)
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