Hyperboloid cylinder-plane lens for shaping laser diode array beam

被引：5
|
作者：
Xu, Qiang [1 ,2 ]
Han, Yiping [1 ]
Zeng, Xiaodong [2 ]
An, Yuying [2 ]
机构：
[1] Xidian Univ, Sch Sci, Xian 710071, Peoples R China
[2] Xidian Univ, Sch Tech Phys, Xian 710071, Peoples R China
来源：
OPTIK | 2010年 / 121卷 / 17期
基金：
中国国家自然科学基金;
关键词：
Laser diode array; Laser beam shaping; Hyperboloid cylinder-plane lens; Irradiance Distribution; Transmittance; FAR-FIELD;
D O I：
10.1016/j.ijleo.2009.02.031
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A high coupling efficiency, simple structure refractive lens was designed; a hyperboloid cylinder-plane lens was proposed to reduce the divergence angle of the laser diode array beam in the fast axis direction. Based on the ray-tracing method, the shape of the input refractive surface of the designed lens is determined by numerical analysis, and designed as aspherical profile in one direction. When the beam from source point reaches the input surface of the lens, it is refracted and becomes a parallel output beam in the fast axis direction. The expressions for describing the irradiance behind the lens are also derived. (C) 2009 Elsevier GmbH. All rights reserved.
引用
收藏
页码：1596 / 1599
页数：4
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