Apparatus for femtosecond laser measurement

被引：0
|
作者：
Sun, Qing [1 ]
Deng, Yuqiang [1 ]
Cao, Shiying [1 ]
Yu, Jing [1 ]
Wang, Qingyue
Zhang, Zhigang [2 ]
机构：
[1] Natl Inst Metrol, Opt Div, Beijing 100013, Peoples R China
[2] Peking Univ, Sch Elect Engn & Comp Sci, Beijing 100871, Peoples R China
来源：
5TH INTERNATIONAL SYMPOSIUM ON ADVANCED OPTICAL MANUFACTURING AND TESTING TECHNOLOGIES: OPTICAL TEST AND MEASUREMENT TECHNOLOGY AND EQUIPMENT | 2010年 / 7656卷
关键词：
Femtosecond laser; autocorrelation; phase retrieval; parameter measurement; SPECTRAL SHEARING INTERFEROMETRY; WAVELET-TRANSFORM ANALYSIS; PHASE INTERFEROMETRY; RECONSTRUCTION; NOISE;
D O I：
10.1117/12.865158
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Compact and stable fringe resolution autocorrelation apparatus and spectral phase interferometry for direct electric-field reconstruction apparatus have been established. The spectral phase, pulse profile and pulse width can be accurately measured with the home-made apparatus. We have performed theoretical and experimental studies on spectral phase retrieval and pulse profile reconstruction. A wavelet transform technique has been introduced to the spectral phase retrieval process to eliminate the uncertainty which produced from the filter window. According this method, precise spectral phase can be obtained. As a result, precise pulse profile can be reconstructed. The results from the two apparatus have an excellent agreement.
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页数：5
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