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用SPIDER法测量飞秒激光脉冲的光谱相位
引用本文:王鹏,王兆华,魏志义,郑加安,孙敬华,张杰. 用SPIDER法测量飞秒激光脉冲的光谱相位[J]. 物理学报, 2004, 53(9): 3004-3009
作者姓名:王鹏  王兆华  魏志义  郑加安  孙敬华  张杰
作者单位:中国科学院物理研究所光物理重点实验室,北京 100080
基金项目:国家自然科学基金(批准号:60225005,10227401),国家重点基础研究项目(批准号:G1999 0752022)和国家高技术研究发展计划(批准号:863804)资助的课题.
摘    要:介绍了用SPIDER测量光谱相位的实验装置和模拟计算飞秒激光特性参数的原理;提出了Ω 和τ等重要参数的确定方法.实验上用自建的SPIDER进行了掺钛蓝宝石飞秒振荡器输出脉 冲的相位测量,并以此为基础还原出了原输入脉冲的时域形式,模合计算所得的脉宽为107 fs,与利用二次相关法直接测量的结果十分一致. 关键词:飞秒激光SPIDER光谱相位光谱相干

关 键 词:飞秒激光  SPIDER  光谱相位  光谱相干
文章编号:1000-3290/2004/53(09)/3004-06
收稿时间:2003-11-21
修稿时间:2004-02-02

Measurement of spectral phase of femotosecond laser pulse using SPIDER technique
Wang Peng,Wang Zhao-Hu,Wei Zhi-Yi,Zheng Jia-An,Sun Jing-Hua and Zhang Jie. Measurement of spectral phase of femotosecond laser pulse using SPIDER technique[J]. Acta Physica Sinica, 2004, 53(9): 3004-3009
Authors:Wang Peng  Wang Zhao-Hu  Wei Zhi-Yi  Zheng Jia-An  Sun Jing-Hua  Zhang Jie
Abstract:We present an experimental set up and the calculation approach for the measureme n t of the spectral phase of femtosecond laser pulse by using a spectral phase int erferometry for direct electric reconstruction (SPIDER) technique in this paper, the method for determining crucial parameters as Ωand τwas given. W ith the femtosecond laser pulse from the Ti:sapphire laser, we obtained the phase of the laser spectrum by using the SPIDER, the temporal profile of the original laser pulse was deduced based on the result. It reveals the FWHM width is 107fs, which is in good agreement with the result measured directly by using an autocorrelat or.
Keywords:femtosecond laser   SPIDER   spectral phase   spectral interferometry
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