【摘 要】
：
研究了以Ⅰ/Ⅱ类角度失谐设置方式下,高强度激光在KDP晶体中的谐波转换问题.采用了包括三阶非线性、离散及衍射等效应的谐波转换计算模型,详细讨论了在三阶非线性、离散和衍
【机 构】
：
四川大学电子信息学院,中国工程物理研究院激光聚变研究中心
论文部分内容阅读
研究了以Ⅰ/Ⅱ类角度失谐设置方式下,高强度激光在KDP晶体中的谐波转换问题.采用了包括三阶非线性、离散及衍射等效应的谐波转换计算模型,详细讨论了在三阶非线性、离散和衍射等效应的情况下,相位扰动与三次谐波转换(THG)效率的关系,绘出了相应的关系曲线.结果表明,相位扰动会使三次谐波转换效率降低,谐波转换效率越高三倍频的调制越小,提高三次谐波转换效率可以抑制相位扰动对其产生的不利影响.
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