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A new method for measuring the pulse-front distortion of arbitrary shapes in high-power ultrashort laser systems |
| Zuo Yan-Lei(左言磊)†, Jiang Dong-Bin(蒋东镔), Zhu Qi-Hua(朱启华), Dong Jun(董军), Zen Xiao-Ming(曾小明), Huang Xiao-Jun(黄小军), and Huang Zheng(黄征) |
| Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China |
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Abstract We present a new method that can be used to calculate pulse-front distortion by measuring the spectral interference of two point-diffraction fields in their overlapped district. We demonstrate, for the first time, the measurement of the pulse-front distortion of the pulse from a complex multi-pass amplification system, which exists in almost all high-power laser systems, and obtain the irregular pulse-front distribution. The method presented does not need any reference light or assumption about the pulse-front distribution, and has an accuracy of several femtoseconds.
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Received: 18 June 2011
Revised: 19 August 2011
Accepted manuscript online:
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PACS:
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42.62.Fi
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(Laser spectroscopy)
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42.65.Re
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(Ultrafast processes; optical pulse generation and pulse compression)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 10904132 and 11074225) and the National Defense Science Technology Foundation of State Key Laboratory of High Temperature and Density Plasma Physics, China (Grant No. 9140C680604110C6805). |
Corresponding Authors:
Zuo Yan-Lei,zuoyanlei@tsinghua.org.cn
E-mail: zuoyanlei@tsinghua.org.cn
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Cite this article:
Zuo Yan-Lei(左言磊), Jiang Dong-Bin(蒋东镔), Zhu Qi-Hua(朱启华), Dong Jun(董军), Zen Xiao-Ming(曾小明), Huang Xiao-Jun(黄小军), and Huang Zheng(黄征) A new method for measuring the pulse-front distortion of arbitrary shapes in high-power ultrashort laser systems 2012 Chin. Phys. B 21 034209
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