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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

Sub-picosecond chirped laser pulse-induced airflow and water condensation in a cloud chamber被引量：1: 《Chinese Optics Letters》2018年第6期59-63,共5页Haiyi Sun Yonghong Liu Jiansheng Liu Jingjing Ju Cheng Wang Xingkai Hu Zhongbin Zhu Yaoxiang Liu Tiejun Wang See Leang Chin Ruxin Li Zhizhan Xu; supported by the National Natural Science Foundation of China(Nos.11425418,61475167,11404354,and 61221064);the State Key Laboratory Program of the Chinese Ministry of Science and Technology; Sub-picosecond chirped laser pulse-induced airflow and water condensation were investigated in a cloud chamber.The results indicate that the positively chirped sub-picosecond laser pulses generate a more uniform inten...; 关键词：Sub-picosecond chirped laser pulse-induced airflow and water condensation in a cloud chamber

Field-free molecular orientation enhanced by tuning the intensity ratio of a three-color laser field: 《Chinese Physics B》2017年第5期183-187,共5页黄志远王丁郑浪黎文开赵睿睿冷雨欣; Project supported by the National Natural Science Foundation of China(Grant Nos.61221064,61078037,11134010,61205208,and 61521093);the Strategic Priority Research Program of the Chinese Academy of Sciences(Grant No.XDB16);the International S&T Cooperation Program of China(Grant No.2016YFE0119300); We theoretically study the field-free molecular orientation induced by a three-color laser field. The three-color laser field with a large asymmetric degree can effectively enhance the molecular orientation. In partic...; 关键词：rotational tuning asymmetric meaningful tuned explain dipole intense envelope momentum

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

Nonlinear compression of picosecond chirped pulse from thin-disk amplifier system through a gas-filled hollow-core fiber被引量：2: 《Chinese Physics B》2016年第12期277-282,共6页陆俊黄志远王丁许毅刘彦祺郭晓杨黎文开吴分翔刘征征冷雨欣; Project supported by the National Basic Research Program of China(Grant No.2011CB808101);the Funds from the Chinese Academy of Sciences,and the National Natural Science Foundation of China(Grant Nos.11127901,10734080,61221064,60908008,and 61078037); We theoretically study the nonlinear compression of a 20-rnJ, 1030-nm picosecond chirped pulse from the thin-disk amplifier in a krypton gas-filled hollow-core fiber. The chirp from the thin-disk amplifier system has ...; 关键词：picosecond pulse hollow-core fiber thin-disk amplifier spectrum broadening

Generation of few-cycle laser pulses:Comparison between atomic and molecular gases in a hollow-core fiber: 《Chinese Physics B》2016年第7期239-245,共7页黄志远戴晔赵睿睿王丁冷雨欣; Project supported by the National Natural Science Foundation of China(Grant Nos.11204328,61221064,61078037,11127901,11134010,and 61205208);the National Basic Research Program of China(Grant No.2011CB808101);the Natural Science Foundation of Shanghai,China(Grant No.13ZR1414800); We numerically study the pulse compression approaches based on atomic or molecular gases in a hollow-core fiber.From the perspective of self-phase modulation（SPM）, we give the extensive study of the SPM influence on...; 关键词：hollow-core fiber phase modulation pulses compression few-cycle pulses

Vortices formation induced by femtosecond laser filamentation in a cloud chamber filled with air and helium被引量：4: 《Chinese Optics Letters》2016年第3期51-54,共4页刘永宏孙海轶鞠晶晶田野白亚锋王成王铁军刘建胜陈瑞良李儒新; supported by the National Basic Research Program of China(No.2011CB808100);the National Natural Science Foundation of China(Nos.11425418,61475167,11404354,11174305,and61221064);the Shanghai Science and Technology Talent Project(Nos.12XD1405200);the State Key Laboratory Program of the Chinese Ministry of Science and Technology;the support from the 100 Talent Program of the Chinese Academy of Science and the Shanghai Pujiang Program; We report on the experimental observation of the airflow motion induced by an 800 nm, 1 kHz femtosecond filament in a cloud chamber filled with air and helium. It is found that vortex pairs with opposite rotation dire...; 关键词：AIR Cloud chambers HELIUM Laser beams

Ultrafast laser system based on noncollinear optical parametric amplification for laser spectroscopy被引量：1: 《Chinese Optics Letters》2015年第12期32-35,共4页韩冬佳李妍妍杜鹃王坤李永舫 Tomohiro Miyatake Hitoshi Tamiaki Takayoshi Kobayashi 冷雨欣; partly financially supported by the 100 Talents Program of CAS;the National Basic Research Program of China(Grant No.2011CB808101);the National Natural Science Foundation of China(Grant No.61475169,61221064); We report the experimental demonstration of transform-limited sub-6 fs pulses at an optimal central wavelength by a tunable noncollinear optical parametric amplification（NOPA） source. Meanwhile, a white light contin...; 关键词：Band structure Infrared devices Laser spectroscopy Pumping (laser) SAPPHIRE Ultrafast lasers

OAM effects in relativistic laser plasma interactions: 《Science Foundation in China》2015年第4期48-68,共21页SHI Yin SHEN BaiFei ZHANG XiaoMei WANG WenPeng XU ZhiZhan; supported by the Ministry of Science and Technology (Grant Nos.2011DFA11300and 2011CB808104);the National Natural Science Foundation of China(Grant Nos.61221064,11125526, 11335013and 11127901); When a relativistic laser pulse of high photon density interacts with a specially tailored thin foil target,a strong torque is exerted on the resulting spiral-shaped foil plasma,or"light fan".Because of its structure,...; 关键词：Light FAN ORBITAL angular MOMENTUM Laguerre-Gaussian laser Vortex harmonics Proton acceleration

Extended transient-grating self-referenced spectral interferometry for sub-100 nJ femtosecond pulse characterization被引量：2: 《Chinese Optics Letters》2015年第8期96-99,共4页申雄刘军李方家王鹏李儒新; supported by the National Natural Science Foundation of China(Nos.61178006,11274327,and 61221064);the Shanghai Pujiang Program(No.12PJ1409300);the Recruitment Program of Global Experts; A geometry of transient-grating self-referenced spectral interferometry （TG-SRSI） is proposed for weak femtosecond pulse characterization. By using a reflective microscope objective （RMO）, we build a compact, robu...; 关键词：CHARACTERIZATION Electromagnetic pulse INTERFEROMETRY Ultrafast lasers

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