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4篇 您的检索式:作者名="M.Gauthier"
    题名 作者 年代 出处 被引量
1Phase diagram of ice in the VII–VIII–X domain. Vibrational and structural data for strongly compressed ice VIII显示文摘Ph.Pruzan J. C.Chervin E.Wolanin B.Canny M.Gauthier M.Hanfland 2003J Raman Spectrosc (鈥?)2003,,7:1
2Automated control and optimization of laser-driven ion acceleration显示文摘The interaction of relativistically intense lasers with opaque targets represents a highly non-linear,multi-dimensional parameter space.This limits the utility of sequential 1D scanning of experimental parameters for the optimization of secondary radiation,although to-date this has been the accepted methodology due to low data acquisition rates.High repetition-rate(HRR)lasers augmented by machine learning present a valuable opportunity for efficient source optimization.Here,an automated,HRR-compatible system produced high-fidelity parameter scans,revealing the influence of laser intensity on target pre-heating and proton generation.A closed-loop Bayesian optimization of maximum proton energy,through control of the laser wavefront and target position,produced proton beams with equivalent maximum energy to manually optimized laser pulses but using only 60%of the laser energy.This demonstration of automated optimization of laser-driven proton beams is a crucial step towards deeper physical insight and the construction of future radiation sources.B.Loughran M.J.V.Streeter H.Ahmed S.Astbury M.Balcazar M.Borghesi N.Bourgeois C.B.Curry S.J.D.Dann S.DiIorio N.P.Dover T.Dzelzainis O.C.Ettlinger M.Gauthier L.Giuffrida G.D.Glenn S.H.Glenzer J.S.Green R.J.Gray G.S.Hicks C.Hyland V.Istokskaia M.King D.Margarone O.McCusker P.McKenna Z.Najmudin C.Parisuaña P.Parsons C.Spindloe D.R.Symes A.G.R.Thomas F.Treffert N.Xu C.A.J.Palmer 2023High Power Laser Science and Engineering2023,11,3:0
3结构粘合剂使用选择显示文摘随着高分子材料的发展,结构粘合剂性能不断得到提高,品种类型愈益繁多,使用也越来越广泛。它在航天军工等领域中的应用从效率和成本上看要优于软焊、焊接和机械连接,但使用成功与否,对粘合剂典型特性的了解和粘合剂使用类型的选择以及选择标准的确定具有重要意义。文章介绍了粘合剂分类、选择标准,并对多种粘合剂的典型性能、优缺点、使用局限性作了扼要的评价。Michelle M.Gauthier 汪天汉 1992国外导弹与航天运载器1992,,7:0
4Versatile tape-drive target for high-repetition-rate laser-driven proton acceleration显示文摘We present the development and characterization of a high-stability,multi-material,multi-thickness tape-drive target for laser-driven acceleration at repetition rates of up to 100 Hz.The tape surface position was measured to be stable on the sub-micrometre scale,compatible with the high-numerical aperture focusing geometries required to achieve relativistic intensity interactions with the pulse energy available in current multi-Hz and near-future higher repetition-rate lasers(>kHz).Long-term drift was characterized at 100 Hz demonstrating suitability for operation over extended periods.The target was continuously operated at up to 5 Hz in a recent experiment for 70,000 shots without intervention by the experimental team,with the exception of tape replacement,producing the largest data-set of relativistically intense laser–solid foil measurements to date.This tape drive provides robust targetry for the generation and study of high-repetitionrate ion beams using next-generation high-power laser systems,also enabling wider applications of laser-driven proton sources.N.Xu M.J.V.Streeter O.C.Ettlinger H.Ahmed S.Astbury M.Borghesi N.Bourgeois C.B.Curry S.J.D.Dann N.P.Dover T.Dzelzainis V.Istokskaia M.Gauthier L.Giuffrida G.D.Glenn S.H.Glenzer R.J.Gray J.S.Green G.S.Hicks C.Hyland M.King B.Loughran D.Margarone O.McCusker P.McKenna C.Parisuaña P.Parsons C.Spindloe D.R.Symes F.Treffert C.A.J.Palmer Z.Najmudin 2023High Power Laser Science and Engineering2023,11,2:0
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