本发明的结构可用于产生基频光、倍频光，特别是高效倍频光。
The structure of the invention can be used for producing basic-frequency light and frequency doubling light, in particular high-efficiency frequency doubling light.
讨论了基频光与倍频光间的信噪比关系及如何测试倍频光信噪比等问题。
What is the relation of the SNR of the fundamental and its frequency doubled laser and how to measure the SNR of the frequency doubled laser are discussed.
合适的基频光频率啁啾可以减小三倍频光脉冲的畸变，并有效地提高三倍频转换效率。
Furthermore, the suitable chirp of fundamental field can reduce the distortion of third-harmonic pulse and increase the third-harmonic conversion efficiency.
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