Polarization-independent reflection grating in second-order Littrow for high laser resolving power

被引：1
|
作者：
Fang, Jimin [1 ]
Wang, Bo [1 ]
机构：
[1] Guangdong Univ Technol, Sch Phys & Optoelect Engn, Guangzhou 510006, Peoples R China
来源：
LASER PHYSICS | 2020年 / 30卷 / 11期
关键词：
polarization independence; second-order Littrow; high laser resolving power; FUSED-SILICA; BEAM SPLITTER; BROAD-BAND; DESIGN;
D O I：
10.1088/1555-6611/abbe90
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In order to obtain a grating solution for high laser resolving power, a multilayer fused-silica reflection grating is described with a silver layer embedded in the groove in second-order Littrow configuration instead of first-order mounting. Efficiencies of 96.17% and 96.14% can diffracted in -2nd order for TE and TM polarizations, which are greater than 96%. The new multilayer reflection grating with a silver layer embedded has good incident characteristics and process tolerances. Therefore, the high-efficiency output with polarization-independent and wideband property characteristics of the grating will be well applied to the laser field.
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页数：5
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