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Even-order high-harmonic generation from solids in velocity gauge被引量：3: 《Chinese Optics Letters》2021年第4期82-87,共6页Jiayuan Cao Na Li Ya Bai Peng Liu Ruxin Li; supported by the National Natural Science Foundation of China (NSFC) (Nos. 11127901, 11134010, 61221064, and 61405222);the Strategic Priority Research Program of Chinese Academy of Sciences (CAS) (No. XDB16000000)。; We present a velocity-gauge model for the generation of even-order high harmonics, and reveal that the even-order harmonics originate from the multiple-step transitions among the energy bands in momentum space, while ...; 关键词：solid high-harmonic generation inversion asymmetry even-order harmonics

The 1 PW/0.1 Hz laser beamline in SULF facility被引量：4: 《High Power Laser Science and Engineering》2020年第1期23-29,共7页Zongxin Zhang Fenxiang Wu Jiabing Hu Xiaojun Yang Jiayan Gui Penghua Ji Xingyan Liu Cheng Wang Yanqi Liu Xiaoming Lu Yi Xu Yuxin Leng Ruxin Li Zhizhan Xu; the support from the electronacceleration team led by Wentao Wang,Rong Qi;the proton-acceleration team led by Hui Zhang;supported by the National Natural Science Foundation of China(Nos.11127901,61521093 and 61505234);International S&T Cooperation Program of China(No.2016YFE 0119300);Strategic Priority Research Program of the Chinese Academy of Sciences(No.XDB160301);Technology Commission of Shanghai Municipality(No.2017SHZDZX02);Youth Innovation Promotion Association of the Chinese Academy of Sciences。; In this paper,we report the recent progress on the 1 PW/0.1 Hz laser beamline of Shanghai Superintense Ultrafast Laser Facility(SULF).The SULF-1 PW laser beamline is based on the double chirped pulse amplification(CPA...; 关键词：laser amplifiers LASERS TITANIUM ultrafast lasers

High-repetition-rate, high-peak-power 1450 nm laser source based on optical parametric chirped pulse amplification被引量：4: 《High Power Laser Science and Engineering》2019年第2期83-87,共5页Pengfei Wang Beijie Shao Hongpeng Su Xinlin Lv Yanyan Li Yujie Peng Yuxin Leng; funded by the Strategic Priority Research Program of the Chinese Academy of Sciences(No.XDB1603);National Natural Science Foundation of China(Nos.11127901,61521093 and 61635012);International S&T Cooperation Program of China(No.2016YFE0119300);Program of Shanghai Academic/Technology Research Leader(No.18XD1404200);Shanghai Municipal Science and Technology Major Project(No.2017SHZDZX02); We present a high-peak-power,near-infrared laser system based on optical parametric chirped pulse amplification pumped by a home-built picosecond pumping laser,which can generate over 40 mJ energy at 1450 nm center wa...; 关键词：INFRARED LASERS nonlinear OPTICS ULTRAFAST LASERS

Dispersion effects on performance of free-electron laser based on laser wakefield accelerator被引量：1: 《High Power Laser Science and Engineering》2018年第4期125-132,共8页Ke Feng Changhai Yu Jiansheng Liu Wentao Wang Zhijun Zhang Rong Qi Ming Fang Jiaqi Liu Zhiyong Qin Ying Wu Yu Chen Lintong Ke Cheng Wang Ruxin Li; funded by the National Natural Science Foundation of China(Nos.11127901,11425418,61521093,and 11505263);the Shanghai Sailing Program(No.18YF1426000);the Strategic Priority Research Program(B)(No.XDB16);the Youth Innovation Promotion Association CAS and the State Key Laboratory Program of the Chinese Ministry of Science and Technology; In this study, we investigate a new simple scheme using a planar undulator(PU) together with a properly dispersed electron beam(e beam) with a large energy spread(～1%) to enhance the free-electron laser(FEL) gain. Fo...; 关键词：free-electron LASERS X-rays SOFT X-rays EXTREME ULTRAVIOLET

Faraday-rotation self-interference method for electron beam duration measurement in the laser wakefield accelerator: 《Chinese Optics Letters》2018年第7期45-50,共6页刘佳琦李文涛刘建胜王文涛齐荣张志钧余昌海秦志勇方明冯珂吴颖王成李儒新; supported by the National Natural Science Foundation of China(Nos.11127901,11425418,11505263,and 61521093);the Strategic Priority Research Program(B)(No.XDB16);Shanghai Sailing Program(Nos.17YF1421100 and 18YF1426000);the Youth Innovation Promotion Association CAS;the State Key Laboratory Program of the Chinese Ministry of Science and Technology; Real-time single-shot measurement of the femtosecond electron beam duration in laser wakefield accelerators is discussed for both experimental design and theoretical analysis that combines polarimetry and interferomet...; 关键词：Faraday-rotation self-interference method for electron beam duration measurement in the laser wakefield accelerator

Nonlinear spectral cleaning effect in cross-polarized wave generation: 《Chinese Physics B》2018年第5期281-286,共6页Linpeng Yu Yi Xu Fenxiang Wu Xiaojun Yang Zongxin Zhang Yuanfeng Wu Yuxin Leng Zhizhan Xu; Project supported by the National Natural Science Foundation of China(Grant Nos.11127901,61521093,and 61505234);the International S&T Cooperation of Program of China(Grant No.2016YFE0119300);the Strategic Priority Research Program of the Chinese Academy of Sciences(Grant No.XDB160301);the Youth Innovation Promotion Association,Chinese Academy of Sciences; The underlying mechanism of the spectral cleaning effect of the cross-polarized wave（XPW） generation process was theoretically investigated. This study shows that the spectral noise of an input spectrum can be remov...; 关键词：nonlinear optics cross-polarized wave generation spectral cleaning effect

Long-distance characterization of high-quality laser-wakefield-accelerated electron beams被引量：1: 《Chinese Optics Letters》2018年第4期1-5,共5页Ming Fang Wentao Wang Zhijun Zhang Jiansheng Liu Changhai Yu Rong Qi Zhiyong Qin Jiaqi Liu Ke Feng Cheng Wang Tao Liu Dong Wang Yi Xu Fenxiang Wu Yuxin Leng Ruxin Li Zhizhan Xu; supported by the National Natural Science Foundation of China(Nos.11127901,11425418,61521093,11304271,11205228,and 11505263);the Strategic Priority Research Program(B)(No.XDB16);the Youth Innovation Promotion Association CAS;the State Key Laboratory Program of the Chinese Ministry of Science and Technology; Beam quality degradation during the transition from a laser wakefield accelerator to the vacuum is one of the reasons that cause the beam transport distortion, which hinders the way to compact free-electron-lasers. He...; 关键词：Long-distance characterization of high-quality laser-wakefield-accelerated electron beams

Picosecond pulse generation in a mono-layer MoS2 mode-locked Ytterbium-doped thin disk laser被引量：1: 《Chinese Optics Letters》2017年第4期43-47,共5页陆俊邹晓李春黎文开刘征征刘彦祺冷雨欣; supported by the National Basic Research Program of China(No.2011CB808101);the Chinese Academy of Science;the National Natural Science Foundation of China(Nos.11127901,10734080,61221064,60908008,and 61078037); A mode-locked（ML）picosecond ytterbium-doped thin disk laser using a monolayer Mo S2as the saturable absorber（SA）is demonstrated.The monolayer MoS2 is fabricated through the method of low-pressure chemical vapor de...; 关键词：locked repetition monolayer absorber mirror attractive absorbed utilized compensated hexagonal

Developments in laser wakefield accelerators:From single-stage to two-stage被引量：1: 《Chinese Physics B》2015年第1期72-80,共9页李文涛王文涛刘建胜王成张志钧齐荣余昌海李儒新徐至展; Project supported by the National Natural Science Foundation of China(Grant Nos.11127901,11425418,and 61221064);the National Basic Research Program of China(Grant No.2011CB808100);the Science and Technology Talent Project of Shanghai City,China(Grant Nos.12XD1405200 and 12ZR1451700); Laser wakefield accelerators（LWFAs） are compact accelerators which can produce femtosecond high-energy electron beams on a much smaller scale than the conventional radiofrequency accelerators. It is attributed to th...; 关键词：laser wakefield acceleration staged acceleration

Harmonic spectra bandwidth broadening with a new polarization gating: 《Chinese Optics Letters》2014年第4期1-3,共3页苗境尉鹏飞曾志南李闯葛晓春李儒新徐至展; supported by the National Natural Science Foundation of China(Nos.11127901,61221064,11134010,11222439,and 61108012);the National "973" Project of China(No.2011CB808103);the Postdoctoral Science Foundation of China(Nos.2012T50420 and 2012M520941);the Postdoctoral Scientific Research Program of Shanghai(No.12R21416600);the Open Fund of the State Key Laboratory of High Field Laser Physics; A new polarization gating is demonstrated by our principle-of-proof experiment, which is theoretically proposed to generate the isolated or double attosecond pulses with the multi-cycle driving laser pulse in the prev...; 关键词：Experiments Laser pulses POLARIZATION

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