Study on Beam Width Narrowing of Blue Structured Light in Long Distance

被引：2

作者：

Cao Zhao-wen ^{[1
,2
,3
]}

Xu Zi-wei ^{[1
,2
,3
]}

Zou Kuai-sheng ^{[1
,2
,3
]}

机构：

[1] Soochow Univ, Sch Optoelect Sci & Engn, Suzhou 215006, Jiangsu, Peoples R China

[2] Soochow Univ, Educ Minist China, Key Lab Adv Opt Mfg Technol Jinangsu Prov, Suzhou 215006, Jiangsu, Peoples R China

[3] Soochow Univ, Educ Minist China, Key Lab Modern Opt Technol, Suzhou 215006, Jiangsu, Peoples R China

来源：

ACTA PHOTONICA SINICA | 2020年 / 49卷 / 08期

关键词：

Gradient-index Lens; Blue semiconductor laser diode; Beam shaping; Volume Bragg Grating; Cylindrical lens; SYSTEM;

D O I：

10.3788/gzxb20204908.0814002

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A gradient-index lens with a diameter of 1.8 mm, a cylindrical lens with a diameter of 2.5 mm and a volume Bragg grating are designed and fabricated as an optical system for a commercial blue single-tube semiconductor laser with a fast axis full width at half maxima of 23 degrees. The experimental results show that this scheme can achieve a beam width of 0.48 mm at a distance of 5.5 m from the system, and the beam width is less than 0.60 mm in 5.5 +/- 0.5 m nearly, which can provide a new solution for the selection of the measurement scheme of line structured light.

引用

页数：8

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