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6 November 2019 Focusing reflectors based on two-dimensional subwavelength gratings
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Abstract

Two planar dielectric reflectors with polarization-independent focusing ability have been designed. They are designed and compared on the base of the square lattice of circular two-dimensional (2-D) subwavelength gratings (SWGs) and the hexagonal lattice of circular 2-D SWGs on a silicon-on-insulator wafer.

© 2019 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2019/$28.00 © 2019 SPIE
Shuo Wang, Kai Liu, Yongqing Huang, Xiaofeng Duan, Xiaomin Ren, and Gongqing Li "Focusing reflectors based on two-dimensional subwavelength gratings," Optical Engineering 58(11), 117101 (6 November 2019). https://doi.org/10.1117/1.OE.58.11.117101
Received: 23 December 2018; Accepted: 4 October 2019; Published: 6 November 2019
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