光锥导光装置耦合效率分析与测试 -

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光锥导光装置耦合效率分析与测试

doi:10.3788/CO.20120506.0610

崔爽^1,2,
郭立红^1,,,
李岩¹,
王建军¹,
于国权^1,2,
路明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:

与物质相互作用国家重点实验室研究基金资助项目(No.SKLLIM0902-01);中国科学院知识创新工程领域前沿资助项目

详细信息

通讯作者:
郭立红

中图分类号:TN256; TN977
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- 被引次数:0
出版历程
- 收稿日期:2012-09-16
- 修回日期:2012-11-15
- 刊出日期:2012-12-10

Analysis and test of coupling efficiency of optical vertebra transmitting device

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:介绍了光锥导光装置的优势,分析了影响光锥导光装置耦合效率的主要因素,得出了影响光锥导光装置耦合效率的理论模型误差曲线。以光锥端面反射损耗及光纤辐射损耗为主要误差源,测试了光锥导光装置的耦合效率及误差对耦合效率的影响;采用分光比标定的方法测量导光装置的耦合效率,消除了由于器输出能量变化给试验中脉冲能量测量环节带来的影响;根据试验测量数据,拟合出误差对耦合效率的影响曲线,通过与理论误差曲线进行对比,验证了理论模型的正确性,同时测得该耦合装置的耦合效率为70.26%。在束的入射角度误差＜5,且在光纤耐受弯折允许范围内甩动光纤的情况下,总误差对耦合效率的影响＜10%,满足实际工程误差的允许范围。该耦合装置已经应用到实际工程中。
- 光锥导光装置/
- 耦合效率/
- 分光比/
- 欺骗干扰/
- 半实物仿真
Abstract:The superiority of an optical vertebra transmitting device is introduced. The main factors that impact the coupling efficiency of the optical vertebra transmitting device are analyzed, and the theoretical model error curves which impact the coupling efficiency of the optical vertebra transmitting device are gained. By taking the reflection loss of an optical vertebra end face and the fiber radiation loss as the main error sources, the coupling efficiency of optical vertebra transmitting device and the impact of errors on the coupling efficiency are tested, and a calibration method using the split ratio to measure the coupling efficiency of the transmitting device is proposed; furthermore, the impact of the changing of laser output on pulse energy measuring is eliminated. Based on the testing data, the impact curve of error on the coupling efficiency is fited, then the accuracy of the theoretical model is verified by comparison with the theoretical error curve, meanwhile the coupling efficiency of the coupling device is measured to be 70.26%. Under the condition that the laser beam incident angle error is less than 5? and the fiber is swung under the tolerance in the fiber bending extent, the effect of total error on the coupling efficiency is less than 10%, which meets the allowable error of the actual project. The coupling device has been applied to practical engineering.
- optical vertebra transmitting device/
- coupling efficiency/
- split ratio/
- laser deception jamming/
- hardware-in-loop simulation

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参考文献 (1)

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