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 ZHANGJianliang WANGChuang LIXiaowei CHENYuxin LENGLihuang LINRuxin LIZhizhan 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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