| 基于目标在回路的三路光纤传输激光相干合成实验 |
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| 引用本文： | 耿超,李新阳,张小军,饶长辉. 基于目标在回路的三路光纤传输激光相干合成实验[J]. 物理学报, 2012, 61(3): 34204-034204 |
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| 作者姓名： | 耿超 李新阳 张小军 饶长辉 |
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| 作者单位： | 1. 中国科学院自适应光学重点实验室,成都610209 中国科学院研究生院,北京100049
2. 中国科学院自适应光学重点实验室,成都,610209 |
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| 基金项目： | 国家自然科学基金(批准号: 60978050)资助的课题. |
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| 摘 要： | 实验验证了一种利用目标回光在远场实现相干合成的技术——目标在回路技术.建立了目标在回路相干合成的物理模型,利用可同时调整光程和光束倾斜的自适应光纤光源准直器,同时补偿合成光束间的平移和倾斜相差,实现了基于目标在回路的三路光纤传输激光间相干合成,获得了接近理想情况的合成效果.文章为在实际大气环境中实现多路相干组束的长距离传输提供了参考.
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| 关 键 词： | 光纤阵列 相干合成 目标在回路 自适应光纤光源准直器 |
| 收稿时间： | 2011-03-03 |
Experimental investigation on coherent beam combination of a three-element fiber array based on target-in-the-loop technique |
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| Geng Chao,Li Xin-Yang,Zhang Xiao-Jun and Rao Chang-Hui. Experimental investigation on coherent beam combination of a three-element fiber array based on target-in-the-loop technique[J]. Acta Physica Sinica, 2012, 61(3): 34204-034204 |
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| Authors: | Geng Chao Li Xin-Yang Zhang Xiao-Jun Rao Chang-Hui |
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| Affiliation: | The Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu 610209, China; Graduate University of Chinese Academy of Sciences, Beijing 100049, China;The Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu 610209, China;The Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu 610209, China;The Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu 610209, China |
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| Abstract: | A kind of target-in-the-loop (TIL)technique which promises the coherent combination of multi-element laser beams in far field is experimentally demonstrated. The physical model of coherent beam combination (CBC)based on TIL is established. A kind of adaptive fiber optics collimator (AFOC)correcting optical path and tip/tilt errors simultaneously is employed to compensate phase errors between beamlets. The CBC of a 3-element fiber array based on TIL is successfully achieved and a perfect effect of CBC is captured. In this paper, we present a reference for long-distance transmission of multi-element coherent beams in real atmospheric environment. |
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| Keywords: | fiber array coherent beam combination target-in-the-loop adaptive fiber optics collimator |
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