Multi-axis Parallelism Measuring System with Temperature Insensitivity

被引:0
|
作者
Zhang, Lei [1 ]
Zhang, Kai [1 ]
机构
[1] Changchun Univ Sci & Technol, Sch Optoelect Engn, Changchun 130022, Jilin, Peoples R China
关键词
multi-axis parallelism; athermalization; collimator;
D O I
10.1117/12.2288058
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
In order to detect the parallelism of optical axis of photoelectric device accurately in large temperature difference environment, we design a measuring system based on Cassegrain structure. The system is adapt to the temperature range from -40 degrees C to +55 degrees C with the spectral bandwidth from 0.4 mu m to 12 mu m. According to the demand of temperature stability, the athermal structure of the system is analyzed and the compensation by different mechanical materials is carried out. The beam parallel deviation is less than 4 '' in different temperature. The experimental result shows that the system has good temperature stability.
引用
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页数:8
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