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BO WANG1,* , LI CHEN1, LIANG LEI1, JINYUN ZHOU1
We describe a reflective beam splitter based on the binary grating with a metal layer, which consists of the phase grating etched in fused silica, the Ag layer evaporated on the substrate. With the optimized grating parameters, especially for the grating duty cycle, the high efficiency and the 50/50 output can be obtained for TE and TM polarizations. Moreover, good performance can be remained within the given range near the central wavelength and Bragg angle. Such a reflective beam splitter based on the binary grating with a metal layer can have advantages of high efficiency, good uniformity, and polarization-independent property..
Binary grating, Metal layer, Beam splitter.
BO WANG, LI CHEN, LIANG LEI, JINYUN ZHOU, Reflective binary grating with a metal layer for polarization-independent beam splitter, Optoelectronics and Advanced Materials - Rapid Communications, 7, 11-12, November-December 2013, pp.813-816 (2013).
Submitted at: Dec. 21, 2012
Accepted at: Nov. 7, 2013
Optoelectronics and Advanced Materials - Rapid Communications
(2022): 0.5 - 2022 Journal Citation Reports (Clarivate Analytics, 2023)
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