| Influence of laser linewidth on external-cavity frequency doubling efficiency of a 1.56μm master oscillator fiber power amplifier |
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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 OpticsDevices, Institute of Opto-Electronics, Shanxi University, Taiyuan030006, China |
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| 基金项目： | Project supported by the NationalNatural Science Foundation of China (Grant Nos 60527003, 60608011and 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 oscillatorfiber power amplifier (MOPA), a 700~mW continuous-wavesingle-frequency laser source at 780~nm is produced. It is shownthat the frequency doubling efficiency is improved when the seeddiode laser is optically locked to a resonant frequency of a confocalFabry--Perot (F-P) cavity. This phenomenon can be attributed to thenarrowing of the 1.56~μ m laser linewidth and explained by ourpresented theoretical model. The experimental results are found tobe in good agreement with the theoretical predictions.
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| 关 键 词： | laser linewidth external-cavityfrequency doubling conversion efficiency |
| 收稿时间： | 2008-10-28 |
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