| 外腔锁相中二极管激光阵列发光单元间耦合系数分析 |
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| 引用本文： | 严地勇,唐淳,陈建国,冯国英,李大义. 外腔锁相中二极管激光阵列发光单元间耦合系数分析[J]. 强激光与粒子束, 2003, 15(1): 13-16 |
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| 作者姓名： | 严地勇 唐淳 陈建国 冯国英 李大义 |
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| 作者单位： | 四川大学,光电技术系,四川,成都,610064;中国工程物理研究院,应用电子学研究所,四川,绵阳,621900;中国工程物理研究院,应用电子学研究所,四川,绵阳,621900;四川大学,光电技术系,四川,成都,610064 |
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| 基金项目： | 国家863计划项目资助课题 |
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| 摘 要： | 推导了外腔中二极管激光阵列各发光单元之间的耦合系数,结果表明：增加外腔长度有利于减小各阶耦合系数的差别和实现“并联耦合”,但是外腔的作用效果下降;降低阵列前端面的反射系数,有利于实现外腔锁相;外腔锁相中并联耦合的单元数越多,激光二极管阵列前端面的反射系数的允许值越小。
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| 关 键 词： | 激光二极管阵列 外腔 锁相 耦合 |
| 文章编号： | 1001-4322(2003)01-0013-04 |
| 收稿时间： | 2002-05-02 |
| 修稿时间： | 2002-05-02 |
Analyzing the coupling coefficients between emitters of a diode laser array phase locked in an external cavity |
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| yan di yong,tang chun,chen jian guo,feng guo ying,li da yi. Analyzing the coupling coefficients between emitters of a diode laser array phase locked in an external cavity[J]. High Power Laser and Particle Beams, 2003, 15(1): 13-16 |
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| Authors: | yan di yong tang chun chen jian guo feng guo ying li da yi |
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| Affiliation: | 1. Department of Optoelelectronics, Sichuan University, Chengdu 610064, China;2. Institute of Applied Electronics, CAEP, P.O.Box 919 1013, Mianyang 621900, China |
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| Abstract: | Expressions describing couplings between different emitters of a diode laser array (DLA), positioned in an external cavity (EC), have been deduced. The results show that: the increase of the EC length reduce the differences between these coupling coefficients, which is favorable to achieve the parallel coupling at the expense of the effectiveness of the EC; decreasing the reflection coefficient at the front facet of the DLA is favorable to achieve phase locking in EC; the more parallelly coupled the emitters arc, the lower the allowed reflection coefficient at the front facet of the DLA is. |
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| Keywords: | Diode laser array External cavity Phase locking Coupling |
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