| 激光二极管相干长度的压缩 |
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| 引用本文： | 孙东松,乔立杰.激光二极管相干长度的压缩[J].光学学报,1997,17(1):7-40. |
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| 作者姓名： | 孙东松 乔立杰 |
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| 作者单位： | 哈尔滨工业大学应用物理系 |
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| 摘 要： | 激光二极管的相干长度在高频调制的驱动电流下可以减小，在实验中对一个９８０ｎｍ的激光二极管进行了测量，表明要干长度已减小了近２０倍。
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| 关 键 词： | 外差干涉仪 相干函数 相干长度 激光二极管 |
| 收稿时间： | 1995/12/24 |
Compressing the Coherence Length of a Laser Diode |
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| Sun Dongsong,Qiao Lijie,Cai Xiping,Nan Jingda.Compressing the Coherence Length of a Laser Diode[J].Acta Optica Sinica,1997,17(1):7-40. |
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| Authors: | Sun Dongsong Qiao Lijie Cai Xiping Nan Jingda |
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| Abstract: | The coherence length of a laser diode can be reduced by modulating the source with a high frequency signal superposed on the driving current for the laser diode. Experiments are made with a 980nm laser diode. It is shown that the coherence length has been reduced by 20 times. |
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| Keywords: | heterodyne interferometer coherence length coherence function |
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