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| 外腔锁相中二极管激光阵列发光单元间耦合系数分析 | |
| 引用本文： | 严地勇, 唐淳, 陈建国, 等. 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(01). |
| 作者姓名： | 严地勇 唐淳 陈建国 冯国英 李大义 |
| 作者单位： | 1.四川大学 光电技术系,四川 成都 61 0064;;;2.中国工程物理研究院 应用电子学研究所, 四川 绵阳 621 900 |
| 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。 |
| 关 键 词： | 激光二极管阵列 外腔 锁相 耦合 |
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, et al. 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. | |
| Authors: | yan di yong tang chun chen jian guo feng guo ying li da yi |
| Affiliation: | 1. Department of Optoelelectronics,Sichuan University,Chengdu 610064,China;;;2. Institute of Applied Electronics,CAEP,P.O.Box 919 1013,Mianyang 621900,China |
| 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 so called “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 are, the lower the allowed reflection coefficient at the front facet of the DLA is. |
| Keywords: | diode laser array external cavity phase locking coupling |
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