激光波长合束精度研究

夏蕾; 韩旭东; 邵俊峰

doi:10.3788/CO.20140705.0801

Volume 7 Issue 5

Sep. 2014

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Article Contents

Chinese Optics > 2014 > 7(5): 801-807.

XIA Lei, HAN Xu-dong, SHAO Jun-feng. Laser beam combination accuracy of wavelength multiplexing[J]. Chinese Optics, 2014, 7(5): 801-807. doi: 10.3788/CO.20140705.0801

Citation:

XIA Lei, HAN Xu-dong, SHAO Jun-feng. Laser beam combination accuracy of wavelength multiplexing[J]. Chinese Optics, 2014, 7(5): 801-807. doi: 10.3788/CO.20140705.0801

XIA Lei, HAN Xu-dong, SHAO Jun-feng. Laser beam combination accuracy of wavelength multiplexing[J]. Chinese Optics, 2014, 7(5): 801-807. doi: 10.3788/CO.20140705.0801

Citation:

XIA Lei, HAN Xu-dong, SHAO Jun-feng. Laser beam combination accuracy of wavelength multiplexing[J]. Chinese Optics, 2014, 7(5): 801-807. doi: 10.3788/CO.20140705.0801

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Laser beam combination accuracy of wavelength multiplexing

doi: 10.3788/CO.20140705.0801

1.
Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China;
2.
University of Chinese Academy of Sciences, Beijing 100049, China

Received Date: 11 Apr 2014
Rev Recd Date: 13 Jun 2014
Publish Date: 25 Sep 2014

Abstract

Abstract

Double laser beam combination accuracy of wavelength multiplexing is carried in this article. Two beams with wavelengths of 532 nm and 515 nm are combined into one in the combination and detection system using light filter with special optical thin films, and the combination accuracy is detected. Based on this system, the corresponding theoretical model is established, and the comprehensive analysis on the error source and the value in combination and detection are given in this paper. When the pointing stability of both beams is 50 rad, the theoretical value of combination accuracy is 14.69, and the proportion of pointing stability is 99.26%. The system gets an excellent anti interference ability against the unstable factor such as the error of centroid location(error rate 3 times), and the variation in accuracy rate is less than 2.4 . When the laser pointing stability is increased to 23.51 rad, the highest theoretical value of combination accuracy is 7.09 and the proportion of pointing stability is 96.77%. The system still has a high ability of anti-interference and the variation in the accuracy rate is less than 1%. Factors that affect the beam combination accuracy of near field and small power are laser beam pointing stability, mechanical adjustment and centroid location error are all the factors to affect the combination accuracy of the near field beam with low power, among which the laser pointing stability is the main factor. Adjusting the proportion of each factor, we can control the ability of anti interference of beam combination.
- double beam combination,
- wavelength multiplexing,
- accuracy testing,
- error analysis

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References(1)

References

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