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petawatt and exawatt class lasers worldwide

High Power Laser Science and Engineering 2019年第3期7卷 168-221页

作者： 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 AWE AldermastonReadingUK OxCHEDS Clarendon LaboratoryDepartment of PhysicsUniversity of OxfordOxfordUK CIFS Blackett LaboratoryImperial CollegeLondonUK NIF&Photon Science Directorate Lawrence Livermore National LaboratoryLivermoreUSA Fraunhofer Institute for Laser Technology(ILT) AachenGermany Chair for Laser Technology LLT RWTH Aachen UniversityAachenGermany University of Rochester Laboratory for Laser EnergeticsRochesterUSA Central Laser Facility STFC Rutherford Appleton LaboratoryChiltonDidcotUK LULI CNRSCEASorbonne UniversitesEcole PolytechniqueInstitut Polytechnique de ParisPalaiseauFrance Department of Physics The Ohio State UniversityColumbusUSA Centre for Ultrafast Optical Science University of MichiganAnn ArborUSA Intense Laser Irradiation Laboratory Istituto Nazionale di Ottica(INO)CNRPisaItaly Institute of Optics and Quantum Electronics Friedrich-Schiller-University Jena and Helmholtz InstituteJenaGermany The Graduate School for the Creation of New Photonics Industries NishikuHamamatsuJapan Institute of Applied Physics Russian Academy of SciencesNizhny NovgorodRussia Institute of Laser Engineering Osaka UniversitySuitaOsakaJapan ELI-Beamlines Institute of PhysicsCzech Academy of SciencesPragueCzech Republic State Key Laboratory of High Field Laser Physics Shanghai Institute of Optics and Fine MechanicsChinese Academy of SciencesShanghai 201800China National Laboratory for Condensed Matter Physics Institute of PhysicsChinese Academy of SciencesBeijing 100190China Institute for Applied Physics(IAP)at Friedrich-Schiller-University Jena JenaGermany Helmholtz Institute Jena JenaGermany Fraunhofer Institute for Applied Optics and Precision Engineering(IOF) JenaGermany Key Laboratory for Laser Plasma(Ministry of Education) School of Physics and AstronomyShanghai Jiao Tong UniversityShanghai 200240China Centre for Relativistic Laser Science(CoReLS) Institute for Basic ScienceDepartment of Physics and Photon ScienceGwangju Institute of Science and Techno

In the 2015 review paper‘petawatt Class Lasers Worldwide’a comprehensive overview of the current status of highpower facilities of>200 TW was *** 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 *** are now in the era of multi-petawatt facilities coming online,with 100 PW lasers being proposed and even under *** 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 *** 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.

关键词： exawatt lasers high-power lasers petawatt lasers ultra-high intensity

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petawatt class lasers worldwide

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High Power Laser Science and Engineering 2015年第1期3卷 5-18页

作者： Colin Danson David Hillier Nicholas Hopps David Neely AWE STFC Rutherford Appleton Laboratory

The use of ultra-high intensity laser beams to achieve extreme material states in the laboratory has become almost routine with the development of the petawatt laser. petawatt class lasers have been constructed for specific research activities,including particle acceleration, inertial confinement fusion and radiation therapy, and for secondary source generation(x-rays, electrons, protons, neutrons and ions). They are also now routinely coupled, and synchronized, to other large scale facilities including megajoule scale lasers, ion and electron accelerators, x-ray sources and z-pinches. The authors of this paper have tried to compile a comprehensive overview of the current status of petawatt class lasers *** definition of ‘petawatt class' in this context is a laser that delivers >200 TW.

关键词： diode pumped high intensity high power lasers megajoule petawatt lasers

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Quantum electrodynamics experiments with colliding petawatt laser pulses

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High Power Laser Science and Engineering 2019年第1期7卷 74-81页

作者： I. C. E. Turcu B. Shen D. Neely G. Sarri K. A. Tanaka P. McKenna S. P. D. Mangles T.-P. Yu W. Luo X.-L. Zhu Y. Yin STFC Rutherford Appleton Laboratory Central Laser Facility School of Electronic Science and Engineering Nanjing University ELI-NP Extreme Light Infrastructure – Nuclear Physics National Institute of Physics and Nuclear Engineering (IFIN HH) State Key Laboratory of High Field Laser Physics Shanghai Institute of Optics and Fine Mechanics Chinese Academy of Sciences School of Physical Science and Technology ShanghaiTech University Shanghai Normal University School of Mathematics and Physics Queen’s University Belfast SUPA Department of Physics University of Strathclyde The John Adams Institute for Accelerator Science Imperial College London Department of Physics National University of Defense Technology School of Nuclear Science and Technology University of South China Key Laboratory for Laser Plasmas (MOE) School of Physics and Astronomy Shanghai Jiao Tong University

A new generation of high power laser facilities will provide laser pulses with extremely high powers of 10 petawatt(PW)and even 100 PW, capable of reaching intensities of 1023 W/cm^2 in the laser focus. These ultra-high intensities are nevertheless lower than the Schwinger intensity IS= 2.3×1029 W/cm^2 at which the theory of quantum electrodynamics(QED) predicts that a large part of the energy of the laser photons will be transformed to hard Gamma-ray photons and even to matter, via electron–positron pair production. To enable the investigation of this physics at the intensities achievable with the next generation of high power laser facilities, an approach involving the interaction of two colliding PW laser pulses is being adopted. Theoretical simulations predict strong QED effects with colliding laser pulses of 10 PW focused to intensities 10^(22) W/cm^2.

关键词： colliding petawatt laser pulses electron-positron pairs creation nonlinear Breit-Wheeler process petawatt laser facilities quantum electrodynamics

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Demonstration of a petawatt-scale optical parametric chirped pulse amplifier based on yttrium calcium oxyborate

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High Power Laser Science and Engineering 2023年第1期11卷 11-17页

作者： Meizhi Sun Jun Kang Xiao Liang Haidong Zhu Qingwei Yang Qi Gao Ailin Guo Ping Zhu Panzheng Zhang Linjun Li Lijuan Qiu Zhantao Lu Sheng Wang Xiaoniu Tu Xinglong Xie Jianqiang Zhu Key Laboratory on High Power Laser and Physics Shanghai Institute of Optics and Fine MechanicsChinese Academy of SciencesShanghaiChina Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijingChina Shanghai Institute of Ceramics Chinese Academy of SciencesShanghaiChina

As optical parametric chirped pulse amplification has been widely adopted for the generation of extreme intensity laser sources,nonlinear crystals of large aperture are demanded for high-energy *** calcium oxyborate(YCa_(4)O(BO_(3))_(3),YCOB)is capable of being grown with apertures exceeding 100 mm,which makes it possible for application in systems of petawatt *** this paper,we experimentally demonstrated for the first time to our knowledge,an ultra-broadband non-collinear optical parametric amplifier with YCOB for petawatt-scale compressed pulse generation at 800 *** on the SG-II 5 PW facility,amplified signal energy of approximately 40 J was achieved and pump-to-signal conversion efficiency was up to 42.3%.A gain bandwidth of 87 nm was realized and supported a compressed pulse duration of 22.3 *** near-field and wavefront aberration represented excellent characteristics,which were comparable with those achieved in lithium triborate-based *** results verified the great potential for YCOB utilization in the future.

关键词： optical parametric amplification petawatt ultra-short pulse yttrium calcium oxyborate

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Design and experimental demonstration of a high conversion efficiency OPCPA pre-amplifier for petawatt laser facility

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High Power Laser Science and Engineering 2018年第4期6卷 60-68页

作者： Xiao Liang Xinglong Xie Jun Kang Qingwei Yang Hui Wei Meizhi Sun Jianqiang Zhu National Laboratory on High Power Laser and Physics Shanghai Institute of Optics and Fine MechanicsChinese Academy of SciencesShanghai 201800China University of Chinese Academy of Sciences Beijing 100049China

We present the design and experiment of a broadband optical parametric chirped-pulse amplifier(OPCPA) which provides high conversion efficiency and good beam quality at 808 nm wavelength. Using a three-dimensional spatial and temporal numerical model, several design considerations necessary to achieve high conversion efficiency, good beam quality and good output stability are discussed. To improve the conversion efficiency and broaden the amplified signal bandwidth simultaneously, the nonlinear crystal length and OPCPA parameters are analyzed and optimized with the concept of dissipating amplified idler between optical parametric amplification(OPA) of two crystals *** the experiment, an amplifier consisting of two OPCPA stages of ‘L’ type configuration was demonstrated by using the optimized parameters. An amplified signal energy of 160 mJ was achieved with a total pump-to-signal efficiency of 35%(43% efficiency for the OPCPA stage 2). The output bandwidth of signal pulse reached 80 nm and the signal pulse was compressed to 24 fs. The energy stability reached 1.67% RMS at 3% pump energy variation. The optimized OPCPA amplifier operates at a repetition rate of 1 Hz and is used as a front-end injection for the main amplifier of SG-II 5PW laser facility.

关键词： BBO nonlinear optics optical parametric chirped-pulse amplifier petawatt laser

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Pulse fidelity in ultra-high-power(petawatt class)laser systems

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High Power Laser Science and Engineering 2014年第4期2卷 5-16页

作者： Colin Danson David Neely David Hillier Centre for Inertial Fusion Studies (CIFS) Imperial College London AWE plc Aldermaston UK Central Laser Facility STFC Rutherford Appleton Laboratory

There are several petawatt-scale laser facilities around the world and the fidelity of the pulses to target is critical in achieving the highest focused intensities and the highest possible contrast. The United Kingdom has three such laser facilities which are currently open for access to the academic community: Orion at AWE, Aldermaston and Vulcan & Astra-Gemini at the Central Laser Facility(CLF), STFC(Science and Technology Facilities Council)Rutherford Appleton Laboratory(RAL). These facilities represent the two main classes of petawatt facilities: the mixed OPCPA/Nd:glass high-energy systems of Orion and Vulcan and the ultra-short-pulse Ti:Sapphire system of AstraGemini. Many of the techniques used to enhance and control the pulse generation and delivery to target have been pioneered on these facilities. In this paper, we present the system designs which make this possible and discuss the contrast enhancement schemes that have been implemented.

关键词： petawatt laser contrast wavefront correction plasma mirror

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Coherently tiled Ti:sapphire laser amplification:a way to break the 10 petawatt limit on current ultraintense lasers

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Advanced Photonics Nexus 2023年第6期2卷 96-105页

作者： Yanqi Liu Keyang Liu Zhaoyang Li Yuxin Leng Ruxin Li Chinese Academy of Sciences Shanghai Institute of Optics and Fine MechanicsState Key Laboratory of High Field Laser PhysicsShanghaiChina Zhangjiang Laboratory ShanghaiChina Chinese Academy of Sciences Xi’an Institute of Optics and Precision MechanicsCenter for Attosecond Science and TechnologyXi’anChina ShanghaiTech University ShanghaiChina

After reaching a world record of 10 PW,the peak power development of the titanium-sapphire(Ti:sapphire)PW ultraintense lasers has hit a bottleneck,and it seems to be difficult to continue increasing due to the difficulty of manufacturing larger Ti:sapphire crystals and the limitation of parasitic lasing that can consume stored pump *** coherent beam combining,coherent Ti:sapphire tiling is a viable solution for expanding Ti:sapphire crystal sizes,truncating transverse amplified spontaneous emission,suppressing parasitic lasing,and,importantly,not requiring complex space-time tiling control.A theoretical analysis of the above features and an experimental demonstration of high-quality laser amplification are *** results show that the addition of a 2×2 tiled Ti:sapphire amplifier to today’s 10 PW ultraintense laser is a viable technique to break the 10 PW limit and directly increase the highest peak power recorded by a factor of 4,further approaching the exawatt class.

关键词： petawatt exawatt titanium-sapphire laser transverse amplified spontaneous emission parasitic lasing coherent crystal tiling

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A 100-PW compressor based on single-pass single-grating pair

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High Power Laser Science and Engineering 2023年第1期11卷 26-37页

作者： Shuman Du Xiong Shen Wenhai Liang Peng Wang Jun Liu Ruxin Li State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science Shanghai Institute of Optics and Fine MechanicsChinese Academy of SciencesShanghaiChina Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijingChina Zhangjiang Laboratory ShanghaiChina

A multistep pulse compressor(MPC)based on a single-pass single-grating pair(SSGP)is proposed to simplify the entire multi-petawatt(PW)*** one grating pair with relatively long perpendicular distance is used to generate the same amount of spectral chirp compared with a four-grating main *** SSGP compressor induces the largest spatial chirp,it can introduce the best beam-smoothing effect to the laser beam on the last *** considering the diffraction loss of only two gratings,the total compression efficiency of the SSGP compressor is even larger than that of a four-grating main ***,the wavefront aberration induced by the SSGP compressor can be better compensated by using deformable mirrors;however,it is difficult or complicated to be well compensated in a four-grating *** 50-100 PW laser pulses can be obtained using this SSGP-based multistage-smoothing MPC with a single laser beam.

关键词： beam smoothing multistep pulse compressor petawatt single-grating-pair compressor

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