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| 1 | Petawatt and exawatt class lasers worldwide显示文摘In the 2015 review paper‘Petawatt Class Lasers Worldwide’a comprehensive overview of the current status of highpower facilities of>200 TW was presented.This was largely based on facility specifications,with some description of their uses,for instance in fundamental ultra-high-intensity interactions,secondary source generation,and inertial confinement fusion(ICF).With the 2018 Nobel Prize in Physics being awarded to Professors Donna Strickland and Gerard Mourou for the development of the technique of chirped pulse amplification(CPA),which made these lasers possible,we celebrate by providing a comprehensive update of the current status of ultra-high-power lasers and demonstrate how the technology has developed.We are now in the era of multi-petawatt facilities coming online,with 100 PW lasers being proposed and even under construction.In addition to this there is a pull towards development of industrial and multi-disciplinary applications,which demands much higher repetition rates,delivering high-average powers with higher efficiencies and the use of alternative wavelengths:mid-IR facilities.So apart from a comprehensive update of the current global status,we want to look at what technologies are to be deployed to get to these new regimes,and some of the critical issues facing their development. | Colin N.Danson Constantin Haefner Jake Bromage Thomas Butcher Jean-Christophe FChanteloup Enam A.Chowdhury Almantas Galvanauskas Leonida A.Gizzi Joachim Hein David I.Hillier Nicholas W.Hopps Yoshiaki Kato Efim A.Khazanov Ryosuke Kodama Georg Korn Ruxin Li Yutong Li Jens Limpert Jingui Ma Chang Hee Nam David Neely Dimitrios Papadopoulos Rory R.Penman Liejia Qian Jorge J.Rocca andrey A.Shaykin Craig W.Siders Christopher Spindloe Sándor Szatmári Raoul M.G.M.Trines Jianqiang Zhu Ping Zhu Jonathan D.Zuegel | 2019 | High Power Laser Science and Engineering2019，7，3： | 33 |
| 2 | Nitrate additives for lithium batteries:Mechanisms,applications,and prospects显示文摘Lithium-metal batteries(LMBs)are considered as one of the most promising energy storage devices due to the high energy density and low reduction potential of the Li-metal anode.However,the growth of lithium dendrites results in accumulated dead Li and safety issues,limiting the practical application of LMBs.LiNO_(3)is a well-known additive in lithium-sulfur batteries to regulate the solid-electrolyte interphase(SEI),effectively suppressing the redox shuttle of polysulfides.Recently,other nitrates have been investigated in various electrolyte and battery systems,yielding improved SEI stability and cycling performance.In this review,we provide an overview of various nitrates,including LiNO_(3)for lithium batteries,focusing on their mechanisms and performance.We first discuss the effect of nitrate anions on SEI formation,as well as the cathode-electrolyte interphase(CEI).The solvation behavior regulated by nitrates is also extensively explored.Some strategies to improve the solubility of LiNO_(3)in ester-based electrolytes are then summarized,followed by a discussion of recent progress in the application of nitrates in different systems.Finally,further research directions are presented,along with challenges.This review provides a comprehensive understanding of nitrates and affords new and interesting ideas for the design of better electrolytes and battery systems. | Xiang Li Ruxin Zhao Yongzhu Fu Arumugam Manthiram | 2021 | eScience2021，1，2： | 5 |
| 3 | Femtosecond mid-IR optical vortex laser based on optical parametric chirped pulse amplification显示文摘A femtosecond mid-infrared optical vortex laser can be used for high harmonic generation to extend cutoff energy to the kilo-electron-volt range with orbital angular momentum,as well as other secondary radiations.For these,we demonstrate a high-energy femtosecond 4μm optical vortex laser based on optical parametric chirped pulse amplification(OPCPA)for the first time.The optical vortex seed is generated from a femtosecond 4μm laser by a silicon spiral phase plate with the topological charge l of 1 before the stretcher.Through using a two-stage collinear OPCPA amplifier,the chirped vortex pulse is amplified to 12.4 m J with 200 nm full width at half-maximum bandwidth.After compression,the vortex laser pulse with 9.53 m J,119 fs can be obtained.Furthermore,the vortex characteristics of the laser beam are investigated and evaluated.This demonstration can scale to generate a higher-peak-power vortex mid-IR laser and pave a new way for high field physics. | JUNYU QIAN YUJIE PENG YANYAN LI PENGFEI WANG BEIJIE SHAO ZHE LIU YUXIN LENG RUXIN LI | 2020 | Photonics Research2020，8，3： | 4 |
| 4 | Innovative color jet 3D printing of levetiracetam personalized paediatric preparations显示文摘3D printing is a promising technology used in the fabrication of complex oral dosage delivery pharmaceuticals.This study first reports an innovative color jet 3D printing(CJ-3DP)technology to produce colorful cartoon levetiracetam pediatric preparations with high accuracy and reproducibility.For this study,the ideal printing ink consisted of 40%(v/v)isopropanol aqueous solution containing 0.05%(w/w)polyvinylpyrrolidone and 4%(w/w)glycerin,which was satisfied with scale-up of the production.The external and internal spatial structures of the tablets were designed to control the appearance and release,and cartoon tablets with admirable appearances and immediate release characteristics were printed.The dosage model showed a good linear relationship between the model volume and the tablet strength(r>0.999),which proved the potential of personalized administration.The surface roughness indicated that the appearance of the CJ-3DP tablets was significantly better than the first listed 3D printed drug(Spritam R).Moreover,the scanning electron microscopy and porosity results further showed that the tablets have a structure of loose interior and tight exterior,which could ensure good mechanical properties and rapid dispersion characteristics simultaneously.In conclusion,the innovative CJ-3DP technology can be used to fabricate personalized pediatric preparations for improved compliance.Due to the stable formulation and fabrication process,this technology has the potential in scale-up production. | Zengming Wang Xiaolu Han Ruxin Chen Jingru Li Jing Gao Hui Zhang Nan Liu Xiang Gao Aiping Zheng | 2021 | Asian Journal of Pharmaceutical Sciences2021，16，3： | 2 |
| 5 | The 1 PW/0.1 Hz laser beamline in SULF facility显示文摘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)scheme,which can generate laser pulses of 50.8 J at 0.1 Hz after the final amplifier;the shot-to-shot energy fluctuation of the amplified pulse is as low as 1.2%(std).After compression,the pulse duration of 29.6 fs is achieved,which can support a maximal peak power of 1 PW.The contrast ratio at-80 ps before main pulse is measured to be 2.5×10^-11.The focused peak intensity is improved by optimizing the angular dispersion in the grating compressor.The maximal focused peak intensity can reach 2.7×10^19W/cm2 even with an f/26.5 off-axis parabolic mirror.The horizontal and vertical angular pointing fluctuations in 1 h are measured to be 1.89 and 2.45μrad,respectively.The moderate repetition rate and the good stability are desirable characteristics for lasermatter interactions.The SULF-1 PW laser beamline is now in the phase of commissioning,and preliminary experiments of particle acceleration and secondary radiation under 300–400 TW/0.1 Hz laser condition have been implemented.The progress on the experiments and the daily stable operation of the laser demonstrate the availability of the SULF-1 PW beamline. | 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 | 2020 | High Power Laser Science and Engineering2020，8，1： | 2 |
| 6 | Pulse combination and compression in hollow-core fiber for few-cycle intense mid-infrared laser generation显示文摘The generation of high-peak-power,few-cycle mid-infrared(MIR)pulses using coherent beam combination and nonlinear pulse compression techniques simultaneously is demonstrated.The two pulses,with identical pulse energy of 2.8 mJ and pulse duration of 160 fs,are coherently combined at the input end of a krypton-filled hollow-core fiber(HCF),and then the bandwidth of the combined pulse is broadened to near an optical octave due to strong phase modulations,and the temporal width is compressed into a few-cycle regime.Finally,a 2.7 mJ,22.9 fs,20 Hz laser at 4μm can be obtained,and the pulse peak power is greatly enhanced compared with that of conventional single-channel optical parametric chirped pulse-amplification systems.Furthermore,the peak power generated from this system has the prospect of further scaling up through use of more channels of coherent combination,which can pave a way to generate higher peak power ultra-intense MIR pulses for strong-field physics. | Junyu Qian Pengfei Wang Yujie Peng Yanyan Li Beijie Shao Hongpeng Su Xinlin Lv Ding Wang Yuxin Leng Ruxin Li | 2021 | Photonics Research2021，9，4： | 2 |
| 7 | DATA CONTEXT MODEL IN THE PRO-CESS INTEGRATION FRAMEWORK显示文摘Process integration is the important aspect of product development process.The recent researches focus on project management,workflow management and process modeling.Based on the analysis of the process,product development process is divided into three levels according to different grains from macroscopy to microcosm.Our research concentrate on the workflow and the free-grained design process.According to the need of representing the data and the relationships among them for process integration,context model is introduced,and its characters are analyzed.The tree-like structure of inheritance among context model′s classes is illustrated;The relationships of reference among them are also explained.Then,extensible markup language (XML) file is used to depict these classes.A four-tier framework of process integration has been established,in which model-view-controller pattern is designed to realize the separation between context model and its various views.The integration of applications is applied by the encapsulation of enterprise′s business logic as distributed services.The prototype system for the design of air filter is applied in an institute. | ZHAO Bo YAN Yan NING Ruxin LI Shiyun | 2008 | Chinese Journal of Mechanical Engineering2008，21，2： | 2 |
| 8 | Linear angular dispersion compensation of cleaned self-diffraction light with a single prism显示文摘The linear angular dispersion of a self-diffraction(SD) pulse, from a femtosecond laser pulse cleaning device, is compensated for by the use of a single prism. More than 500 μJ first-order SD pulse has a contrast of 1012, which is about five orders of magnitude improvement from the input fundamental pulse. The wings of the distribution away from the main pulse in ±1 ps are cleaned with a contrast improvement of about 107, which verifies the pulse cleaning ability of the SD process. | Xiong Shen Peng Wang Jun Liu Ruxin Li | 2018 | High Power Laser Science and Engineering2018，6，2： | 2 |
| 9 | Femtosecond infrared optical vortex lasers based on optical parametric amplification显示文摘Infrared femtosecond optical vortices open up many new research fields,such as optical micro–nano manipulation,time-resolved nonlocal spectroscopy in solids,vortex secondary radiation and particle generations.In this article,we demonstrate a femtosecond optical vortex laser system based on a two-stage optical parametric amplifier.In our experiment,1.45µm vortex signal pulses with energy of 190µJ and 1.8µm vortex idler pulses with energy of 158µJ have been obtained,and the pulse durations are 51 and 48 fs,respectively.Both the energy fluctuations of the signal and idler pulses are less than 0.5%(root mean square),and the spectral fluctuations are less than 1.5%within 1 hour.This type of highly stable femtosecond optical vortex laser has a wide range of applications for vortex strong-field physics. | Renyu Feng Junyu Qian Yujie Peng Yanyan Li Wenkai Li Yuxin Leng Ruxin Li | 2022 | High Power Laser Science and Engineering2022，10，5： | 1 |
| 10 | 13.4 fs,0.1 Hz OPCPA Front End for the 100 PW-Class Laser Facility显示文摘Here,we report the recent progress on the front end developed for the 100 PW-class laser facility.Using 3 stages of optical parametric chirped-pulse amplification(OPCPA)based on lithium triborate(LBO)crystals,we realized a 5.26 J/0.1 Hz amplified output with a bandwidth over 200 nm near the center wavelength of 925 nm.After the compressor,we obtained a pulse duration of 13.4 fs.As the compression efficiency reached 67%,this OPCPA front end could potentially support a peak power of 263 TW at a repetition rate of 0.1 Hz.To the best of our knowledge,among all the 100 TW-level OPCPA systems,it shows the widest spectral width,the shortest pulse duration,and it is also the first OPCPA system working at a repetition-rate mode. | Xinliang Wang Xingyan Liu Xiaoming Lu Junchi Chen Yingbin Long Wenkai Li Haidong Chen Xun Chen Peile Bai Yanyan Li Yujie Peng Yanqi Liu Fenxiang Wu Cheng Wang Zhaoyang Li Yi Xu Xiaoyan Liang Yuxin Leng Ruxin Li | 2022 | Ultrafast Science2022，，3： | 1 |
| 11 | On the upper limit of laser intensity attainable in nonideal vacuum显示文摘The upper limit of the laser field strength in a perfect vacuum is usually considered as the Schwinger field,corresponding to∼1029 W/cm^(2).We investigate such limitations under realistic nonideal vacuum conditions and find that intensity suppression appears starting from 1025 W/cm^(2),showing an upper threshold at 1026 W/cm^(2)level if the residual electron density in chamber surpasses 109 cm^(−3).This is because the presence of residual electrons triggers the avalanche of quantum electrodynamics cascade that creates copious electron and positron pairs.The leptons are further trapped within the driving laser field due to radiation reaction,which significantly depletes the laser energy.The relationship between the attainable intensity and the vacuity is given according to particle-in-cell simulations and theoretical analysis.These results answer a critical problem on the achievable light intensity based on present vacuum conditions and provide a guideline for future hundreds of petawatt class laser development. | Yitong Wu Liangliang Ji Ruxin Li | 2021 | Photonics Research2021，9，4： | 1 |
| 12 | Polyoxometalate-Induced Efficient Recycling of Waste Polyester Plastics into Metal–Organic Frameworks显示文摘Polyester plastics such as poly(ethylene terephthal-ate)(PET)are utilized commonly in everyday life,yet only a small portion of these plastics are recycled,and typically,the recycling procedures face energy or pollution problems. | Yong-Jun Chen Xianqiang Huang Yifa Chen Yi-Rong Wang Haichao Zhang Chun-Xia Li Lei Zhang Hongjing Zhu Ruxin Yang Yu-He Kan Shun-Li Li Ya-Qian Lan | 2019 | CCS Chemistry2019，1，5： | 1 |
| 13 | Spectroscopic analysis of high electric field enhanced ionization in laser filaments in air for corona guiding显示文摘We report on a systematic experimental study on the fluorescence spectra produced from a femtosecond laser filament in air under a high electric field. The electric field alone was strong enough to create corona discharge(CD). Fluorescence spectra from neutral and ionic air molecules were measured and compared with pure high-voltage CD and pure laser filamentation(FIL). Among them, high electric field assisted laser FIL produced nitrogen fluorescence more efficiently than either pure CD or pure FIL processes. The nonlinear enhancement of fluorescence from the interaction of the laser filament and corona discharging electric field resulted in a more efficient ionization along the laser filament zone, which was confirmed by the spectroscopic measurement of both ionization-induced fluorescence and plasma-scattered 800 nm laser pulses. This is believed to be the key precursor process for filament-guided discharge. | Yingxia Wei Yaoxiang Liu Tie-Jun Wang Na Chen Jingjing Ju Yonghong Liu Haiyi Sun Cheng Wang Jiansheng Liu Haihe Lu See Leang Chin Ruxin Li | 2016 | High Power Laser Science and Engineering2016，4，1： | 1 |
| 14 | Multicolored sideband generation based on cascaded four-wave mixing with the assistance of spectral broadening in multiple thin plates显示文摘The generation of multicolored sidebands with the spectrum from 377 to 970 nm in a 0.5-mm-thick N-WG280 Schott glass based on a cascaded four-wave mixing(CFWM) process is demonstrated. The experimental setup is compact and economical. A pulse with a broadened spectrum from 670 to 900 nm is generated by utilizing two 0.18-mm-thick fused silica glass plates and is used to provide two input beams for the CFWM process.The new frequency components generated from the self-phase modulation effect in the two thin glass plates contribute to the broadening of the total spectral range of the generated multicolored sidebands. | Peng Wang Jun Liu Fangjia Li Xiong Shen Ruxin Li | 2015 | Photonics Research2015，3，5： | 1 |
| 15 | Approximatel analytical model for inner-shell photoionization x-ray lasers in low-Z elements 显示文摘 | Liu Jiansheng Li Ruxin Xu Zhizhan Liu Jingru | 2001 | Phys Rev A2001，63，03： | 1 |
| 16 | Supercontinuum generation and pulse compression from gas filamentation of femtosecond laser pulses with different durations显示文摘 | Wang Zhanxin Liu Jiangsheng Li Ruxin | 2009 | Opt Express2009，17，13： | 1 |
| 17 | Single-shot fourth-order autocorrelator显示文摘Temporal contrast(TC)is one of the most important parameters of an ultrahigh intense laser pulse.The third-order autocorrelator or cross correlator has been widely used in the past decades to characterize the TC of an ultraintense laser pulse.A novel and simple single-shot fourth-order autocorrelator(FOAC)to characterize the TC with higher time resolution and better pulse contrast fidelity in comparison to third-order correlators is proposed.The single-shot fourth-order autocorrelation consists of a frequency-degenerate four-wave mixing process and a sum-frequency mixing process.The proof-of-principle experiments show that a dynamic range of∼10^11 compared with the noise level,a time resolution of∼160 fs,and a time window of 65 ps can successfully be obtained using the single-shot FOAC,which is to-date the highest dynamic range with simultaneously high time resolution for single-shot TC measurement.Furthermore,the TC of a laser pulse from a petawatt laser system is successfully measured in single shot with a dynamic range of about 2×10^10 and simultaneously a time resolution of 160 fs. | Peng Wang Xiong Shen Jun Liu Ruxin Li | 2019 | Advanced Photonics2019，1，5： | 1 |
| 18 | Robust and ultralow-energy-threshold ignition of a lean mixture by an ultrashort-pulsed laser in the filamentation regime显示文摘Laser ignition(LI)allows for precise manipulation of ignition tinning and location and is promising for green combustion of automobile and rocket engines and aero-turbines under lean-fuel conditions with improved emission efficiency;however,achieving completely effective and reliable ignition is still a challenge.Here,we report the realization of igniting a lean methane/air mixture with a 100%success rate by an ultrashort femtosecond laser,which has long been regarded as an unsuitable fuel ignition source.We demonstrate that the minimum ignition energy can decrease to the sub-mJ level depending on the laser filamentation formation,and reveal that the resultant early OH radical yield significantly increases as the laser energy reaches the ignition threshold,showing a clear boundary for misfire and fire cases.Potential mechanisms for robust ultrashort LI are the filamentation-induced heating effect followed by exothermal chemical reactions,in combination with the line ignition effect along the filament.Our results pave the way toward robust and efficient ignition of lean-fuel engines by ultrashort-pulsed lasers. | Hongwei Zang Helong Li Wei Zhang Yao Fu Shanming Chen Huailiang Xu Ruxin Li | 2021 | Light(Science & Applications)2021，10，3： | 1 |
| 19 | Dispersion effects on performance of free-electron laser based on laser wakefield accelerator显示文摘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. For a dispersed e beam in a PU, the resonant condition is satisfied for the center electrons, while the frequency detuning increases for the off-center electrons, inhibiting the growth of the radiation. The PU can act as a filter for selecting the electrons near the beam center to achieve the radiation. Although only the center electrons contribute, the radiation can be enhanced significantly owing to the high-peak current of the beam. Theoretical analysis and simulation results indicate that this method can be used for the improvement of the radiation performance, which has great significance for short-wavelength FEL applications. | 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 | 2018 | High Power Laser Science and Engineering2018，6，4： | 0 |
| 20 | Measurement of electron beam transverse slice emittance using a focused beamline显示文摘A single-shot measurement of electron emittance was experimentally accomplished using a focused transfer line with a dipole.The betatron phase of electrons based on laser wakefield acceleration(LWFA)is energy dependent owing to the coupling of the longitudinal acceleration field and the transverse focusing(defocusing)field in the bubble.The phase space presents slice information after phase compensation relative to the center energy.Fitting the transverse size of the electron beam at different energy slices in the energy spectrum measured 0.27 mm mrad in the experiment.The diagnosis of slice emittance facilitates local electron quality manipulation,which is important for the development of LWFA-based free electron lasers.The quasi-3D particle-in-cell simulations matched the experimental results and analysis well. | Kangnan Jiang Ke Feng Hao Wang Xiaojun Yang Peile Bai Yi Xu Yuxin Leng Wentao Wang Ruxin Li | 2023 | High Power Laser Science and Engineering2023，11，3： | 0 |
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