波长合束精度研究 -

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波长合束精度研究

doi:10.3788/CO.20140705.0801

夏蕾^1,2,
韩旭东^1,,,
邵俊峰¹

1.
中国科学院长春光学精密机械与物理研究所, 吉林长春 130033;
2.
中国科学院大学, 北京 100049

基金项目:

吉林省自然科学基金资助项目（No.201115123）;应用基础研究基金资助项目（No.201205094）

详细信息

作者简介:
夏蕾（1987- ），男，湖北武汉人，硕士研究生，2010年于武汉理工大学获得学士学位，主要从事光电对抗方面的研究。

通讯作者:
韩旭东，E-mail：hanxd@ciomp.ac.cn

中图分类号:TN247
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- 被引次数:0
出版历程
- 收稿日期:2014-04-11
- 修回日期:2014-06-13
- 刊出日期:2014-09-25

Laser beam combination accuracy of wavelength multiplexing

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

摘要

摘要:对双光束波长合束精度进行了研究。用镀有特制光学薄膜的滤光片对波长为532和515 nm的两束进行合束，并对合束精度进行检测。基于此系统，建立了对应理论模型，并对合束及检测的误差来源和大小进行全面分析。两光束指向稳定性均为50 rad时，合束精度理论值为14.69，指向稳定性所占比例为99.26%，系统对质心定位等不稳定因素（误差变化 3倍）抗性极好，精度变化 2.4；指向稳定性提高到23.51 rad时，合束精度理论值为7.09，指向稳定性所占比例为96.77%，系统仍有较高抗干扰能力，精度变化 1%。分析表明，影响近场小功率合束精度的因素有指向稳定性、机械调节和质心定位误差，其中指向稳定性是主要因素。通过调节各因素的比例，可对合束的抗干扰能力进行控制。
- 双光束合束/
- 波长合束/
- 精度检测/
- 误差分析
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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参考文献 (1)

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