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Influence of laser linewidth on external-cavity frequency doubling efficiency of a 1.56μm master oscillator fiber power amplifier 下载免费PDF全文
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. 相似文献
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