| Influence of laser linewidth on external-cavity frequency doubling efficiency of a 1.56μm master oscillator fiber power amplifier |
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| 引用本文： | 田秀桃,李永民,刘勤,张宽收.Influence of laser linewidth on external-cavity frequency doubling efficiency of a 1.56μm master oscillator fiber power amplifier[J].中国物理 B,2009,18(6):2324-2327. |
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| 作者姓名： | 田秀桃 李永民 刘勤 张宽收 |
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| 作者单位： | State Key Laboratory of Quantum Optics and Quantum Optics
Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan
030006, China |
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| 基金项目： | Project supported by the National
Natural Science Foundation of China (Grant Nos 60527003, 60608011
and 60878003), and the State Key Program for Basic Research of China
(Grant No 2007CB316501). |
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| 摘 要： | By using an external-cavity frequency-doubling master oscillator
fiber power amplifier (MOPA), a 700~mW continuous-wave
single-frequency laser source at 780~nm is produced. It is shown
that the frequency doubling efficiency is improved when the seed
diode laser is optically locked to a resonant frequency of a confocal
Fabry--Perot (F-P) cavity. This phenomenon can be attributed to the
narrowing of the 1.56~μ m laser linewidth and explained by our
presented theoretical model. The experimental results are found to
be in good agreement with the theoretical predictions.
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| 关 键 词： | laser linewidth external-cavity frequency doubling conversion efficiency |
| 收稿时间： | 2008-10-28 |
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