High-contrast 1.16 PW Ti:sapphire laser system combined with a doubled chirped-pulse amplification scheme and a femtosecond optical-parametric amplifier.
作者： Zhaohua Wang , Cheng Liu , Zhongwei Shen , Qing Zhang , Hao Teng
DOI: 10.1364/OL.36.003194
关键词: Optoelectronics 、 Optical parametric amplifier 、 Materials science 、 Femtosecond pulse shaping 、 Ultrafast laser spectroscopy 、 Optics 、 Laser power scaling 、 Femtosecond 、 Laser 、 Chirped pulse amplification 、 Ti:sapphire laser
摘要: Based on a combined scheme of doubled chirped-pulse amplification and femtosecond noncollinear optical-parametric amplifier, high-contrast laser pulse with energy up to 32.3 J has been generated by improving the gain efficiency boosting pump 120 J in final amplifier. Our measurements show that contrast ratio main is around 1010 within time scale −400 ps duration compressed 27.9 fs, corresponding peak power 1.16 PW.
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