Polarization design of diffractive optical element for true beam smoothing with good performance

被引：0
|
作者：
Tan, QF [1 ]
Yan, YB [1 ]
Jin, GF [1 ]
Wu, MX [1 ]
Xu, DY [1 ]
机构：
[1] Tsing Hua Univ, State Key Lab Precis Measurement Technol & Instru, Beijing 100084, Peoples R China
来源：
ADVANCED PHOTONIC SENSORS AND APPLICATIONS II | 2001年 / 4596卷
关键词：
diffractive optical element; true beam smoothing; polarization design;
D O I：
10.1117/12.447362
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Diffractive optical element (DOE) can be used to realize beam smoothing. In order to realize true beam smoothing, a new design method with a more restrict way in the optimization has been proposed. In this paper, based on this new design method, polarization design is adopted to improve the performance of the DOE for true beam smoothing. The top non-uniformity can be held to be less than 2.7%, no matter which group of sampling points on the focal plane is chosen to be calculated.
引用
收藏
页码：329 / 333
页数：5
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