| 面对光栅的激光二极管端面上耦合问题的研究 |
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| 引用本文： | 李宾中 陈建国. 面对光栅的激光二极管端面上耦合问题的研究[J]. 光学学报, 1995, 15(2): 70-173 |
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| 作者姓名： | 李宾中 陈建国 |
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| 作者单位： | 四川大学光电系 |
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| 摘 要： | 从理论和实验上研究了面对长外腔（光栅作外反射镜）的激光二极管端面上的耦合问题，首次求出了耦合系数η的解析表达式，它是高斯函数。η可以分成η１和η２两部分，η描述的是由于经光栅的反射模和腔模之间不交叠引起的损耗。η２则是经光栅的反射光小矢的变化造成的。实验结果与理论预期符合得很好。
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| 关 键 词： | 外腔 激光二极管 耦合 光栅 端面 |
| 收稿时间： | 1994-01-19 |
Studied on the Coupling at Laser Diode Facet Facing Grating |
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| Li Binzhong, Chen Jianguo, Lu yucun, Li Dayi. Studied on the Coupling at Laser Diode Facet Facing Grating[J]. Acta Optica Sinica, 1995, 15(2): 70-173 |
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| Authors: | Li Binzhong Chen Jianguo Lu yucun Li Dayi |
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| Abstract: | Theoretical and experimental studies on the coupling at laser diode facet facinglong external cavity have been carried out. The analytical expressions of the couplingcoefficient has been derived. It can be divided into two factors, one is due tO the Off overlapping between the centers of the diode mode and its reflected counterpart, and theother is due to the alteration of the wave vector after being dispersed by the grating. Boththeoretical and experimental verifications show that is a Gaussian function. |
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| Keywords: | external cavity laser diode coupling. |
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