レーザー研究
Online ISSN : 1349-6603
Print ISSN : 0387-0200
ISSN-L : 0387-0200
Lasers and Laser Systems
The Nonlinear Ellipse Rotation in BK7 Glass Plate and its Application
Chunmei ZHANG, Jianliang WANG, Chuang LI, Xiaowei CHEN, Yuxin LENG, Lihuang LIN, Ruxin LI, Zhizhan XU
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2008 年 36 巻 APLS 号 p. 1105-1108

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抄録
The intensity-dependent nonlinear ellipse rotation of high-energy femtosecond pulse in BK7 glass plate is researched experimentally. The polarization, spectrum and shape of the femtosecond pulse were studied in this process. Based on this scheme, we develop a pulse temporal cleaner, which has been used in our femtosecond chirped pulse amplification (CPA) laser to provide a contrast ratio improvement of 2 orders of magnitude for the milli-joule level fs input pulses. The total transmission efficiency of the cleaner reaches 16.7%.
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© Laser Society of Japan
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