Optimization design of polarizing beam splitter based on metal-multilayer dielectric reflecting grating

被引：17

作者：

Guan, Heyuan ^{[2
]}

Jin, Yunxia ^{[1
]}

Liu, Shijie ^{[1
]}

Wang, Jianpeng ^{[1
]}

Kong, Fanyu ^{[1
]}

Du, Yin ^{[1
]}

Shao, Jianda ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab Mat High Power Laser, Shanghai 201800, Peoples R China

[2] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2013年 / 287卷

基金：

中国国家自然科学基金;

关键词：

Diffraction; Metal multilayer dielectric grating; Reflecting polarizing beam splitter; Fourier mode method; Reflection extinction ratios; PULSE-COMPRESSION GRATINGS; BROAD-BAND; DIFFRACTION GRATINGS; HIGH-EFFICIENCY; PERFORMANCE; FABRICATION; CRYSTAL; GROOVE; ANGLE;

D O I：

10.1016/j.optcom.2012.09.045

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper, a reflecting polarizing beam splitter (RPBS) with a metal-multilayer dielectric grating (MMDG) structure is designed by using a genetic algorithm and the Fourier mode method. The proposed RPBS grating can be operated at a central wavelength of 1053 nm. Moreover, this grating can reflect the transverse electric wave in the -1st order and the transverse magnetic wave in the 0th order. The optimized RPBS grating has high extinction ratios of over 20 dB from 1030 nm to 1076 nm at angles ranging from 48.6 degrees to 55.1 degrees. At 1053 nm, the highest efficiency of over 98%, as well as polarization extinction ratios of the 0th order and -1st order at 62.2 dB and 48.8 dB, respectively, is obtained. The optimized MMDG structure shows acceptable tolerances for grating fabrication. This MMDG may be a potential RPBS candidate for use in different optical systems. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：25 / 30

页数：6

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