Experimental research on beam steering characteristics of liquid crystal optical phased array

被引：0
|
作者：
Li, Man [1 ]
Cai, Jun [1 ]
Xu, Hong [1 ]
Wang, Xiangru [2 ]
Wu, Liang [2 ]
机构：
[1] Sci & Technol Electroopt Informat Secur Control L, Tianjin 300308, Peoples R China
[2] Univ Elect Sci & Technol China, Sch Optoelect Informat, Chengdu 610054, Peoples R China
来源：
INTERNATIONAL CONFERENCE ON OPTOELECTRONICS AND MICROELECTRONICS TECHNOLOGY AND APPLICATION | 2017年 / 10244卷
关键词：
beam steering; liquid crystal; optical phased array; angular resolution; repeatability;
D O I：
10.1117/12.2266137
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Beam steering characteristics of transmission liquid crystal optical phased array (LC-OPA) were measured using ultra precision electronic autocollimator. A continuous beam steering with a constant angular resolution in the order of 20 mu rad is obtained experimentally from 0 degrees to 6 degrees based on the method of variable period grating (VPG). Meanwhile, the angular repeatability of less than 4 mu rad (RMS) has been achieved.
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页数：5
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