GRENOUILLE系统中时间延迟量参数优化设计
发布时间：2018-07-18 13:51
【摘要】：GRENOUILLE飞秒脉冲测量系统中,时间延迟量是一个关键参数,直接决定了飞秒脉宽测量范围。本文量化分析了时间延迟量与菲涅尔双棱镜底角、待测光斑直径等参数之间的关系,研究结果表明,菲涅尔双棱镜底角越大,待测光斑半径越大,双棱镜-SHG晶体间距越大,产生的最大时间延迟量越大,可测得的飞秒脉冲越宽。确定了光路系统中器件参数,通过实验进行了验证,测量结果的误差优于5%,为GRENOUILLE测量系统优化设计提供了参考和依据。
[Abstract]:In the GRENOUILLE femtosecond pulse measurement system, the time delay is a key parameter, which directly determines the measurement range of femtosecond pulse width. In this paper, the relationship between the time delay and the parameters such as the bottom angle of Fresnel biprism and the diameter of light spot to be measured is analyzed quantitatively. The results show that the larger the bottom angle of Fresnel biprism, the larger the radius of light spot to be measured, and the larger the crystal spacing of biprism -SHG. The larger the maximum time delay, the wider the measured femtosecond pulse. The device parameters in the optical circuit system are determined and verified by experiments. The error of the measurement results is better than that of 5, which provides a reference and basis for the optimal design of the GRENOUILLE measurement system.
【作者单位】： 北京信息科技大学仪器科学与光电工程学院;
【基金】：北京市青年拔尖人才计划(No.CIT&TCD20140412) 北京市教委面上项目(No.KM201411232005)资助
【分类号】：TN24
本文编号：2132100
[Abstract]:In the GRENOUILLE femtosecond pulse measurement system, the time delay is a key parameter, which directly determines the measurement range of femtosecond pulse width. In this paper, the relationship between the time delay and the parameters such as the bottom angle of Fresnel biprism and the diameter of light spot to be measured is analyzed quantitatively. The results show that the larger the bottom angle of Fresnel biprism, the larger the radius of light spot to be measured, and the larger the crystal spacing of biprism -SHG. The larger the maximum time delay, the wider the measured femtosecond pulse. The device parameters in the optical circuit system are determined and verified by experiments. The error of the measurement results is better than that of 5, which provides a reference and basis for the optimal design of the GRENOUILLE measurement system.
【作者单位】： 北京信息科技大学仪器科学与光电工程学院;
【基金】：北京市青年拔尖人才计划(No.CIT&TCD20140412) 北京市教委面上项目(No.KM201411232005)资助
【分类号】：TN24
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