掺镱光纤放大器的啁啾脉冲失谐放大特性
Chirpedpulse mismatching amplification of ytterbium doped fiber amplifier
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摘要: 研究了掺镱光纤放大器对中心频率为1 053nm的啁啾脉冲放大特性,发现针对高斯或超高斯脉冲,采用合适的带宽及入射光强能够使增益饱和和失谐放大相互消弱,从而得到一个良好的放大脉冲形状。计算了掺镱光纤放大器失谐放大带来的相位调制,发现对压缩质量影响较小。Abstract: Theory analysis were performed for ytterbium doped fiber amplifier(YDFA) on its characteristics of mismatching amplification on chirpedpulse with mid wavelength around 1 053nm. An excellent pulse can be achieved with optimistic input intensity and spectrum width. On the other end, by analyzing the phasemode of YDFA's mismatch amplication, a good result was found. Although the phasemodulate was serious, the phasemodulate during YDFA mismatch amplification affected the quality of pulse after compression weakly.
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