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Spectroscopic studies of hard x-ray free-electron laser-heated foils at 10~(16) Wcm~2 irradiances

机译:10〜(16)Wcm〜2辐照下硬X射线自由电子激光加热箔的光谱研究

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摘要

We report a recent experiment where the first hard x-ray beam line, X-ray Pump Probe (XPP) instrument using the SLAC National Accelerator Laboratory's Linac Coherent Light Source (LCLS) free electron laser, was used to heat thin foils to high energy densities ~ 10~7 J/cm~3. An intense 9 keV, 60 fs (FWHM) duration beam with energy of 2 - 4 mJ at the XPP beam line was focused using beryllium lenses to an irradiance approaching 10~(16) Wcm~(-2). Targets of 0.5 - 3.5 μm thick foils of Ag and Cu were studied using a suite of diagnostics including Fourier Domain Interferometry, energy calorimetry and grating and crystal spectrometers. The experimental details and spectroscopic results from the campaign will be described. Preliminary results indicate that the target is heated relatively uniformly to a temperature lower than 20 eV.
机译:我们报告了最近的一项实验,其中使用SLAC国家加速器实验室的直线加速器相干光源(LCLS)自由电子激光的第一条硬X射线束线X射线泵探针(XPP)仪器将薄箔加热到高能量密度〜10〜7 J / cm〜3。使用铍透镜将XPP光束线上能量为2-4 mJ的9 keV,60 fs(FWHM)持续时间很长的光束聚焦到辐照度接近10〜(16)Wcm〜(-2)的位置。使用包括傅里叶域干涉测量法,能量量热法以及光栅和晶体光谱仪在内的一系列诊断工具研究了0.5至3.5μm厚的Ag和Cu箔的目标。将描述该活动的实验细节和光谱结果。初步结果表明,将靶材相对均匀地加热到低于20 eV的温度。

著录项

  • 来源
  • 会议地点 San Diego CA(US)
  • 作者单位

    Lawrence Livermore National Laboratory, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Livermore, CA 94551, USA,LCLS, SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA;

    LULI, Ecole Polytechnique, 91128 Palaiseau Cedex, France;

    LULI, Ecole Polytechnique, 91128 Palaiseau Cedex, France;

    LULI, Ecole Polytechnique, 91128 Palaiseau Cedex, France;

    LULI, Ecole Polytechnique, 91128 Palaiseau Cedex, France;

    LCLS, SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA;

    LCLS, SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA;

    LCLS, SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA;

    LCLS, SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA;

    LCLS, SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA;

    Universite de Bordeaux - CNRS - CEA, CELIA, Talence, F-33405 France;

    Universite de Bordeaux - CNRS - CEA, CELIA, Talence, F-33405 France;

    Instituto Superior Tecnico, Av Rovisco Pais 1, 1049-001 Lisboa, Portugal;

    Instituto Superior Tecnico, Av Rovisco Pais 1, 1049-001 Lisboa, Portugal;

    European XFEL, Albert-Einstein-Ring 19 22761 Hamburg, Germany;

    Dept. of Physics, Clarendon Laboratory, University of Oxford, Oxford OX1 3PU, UK;

    Dept. of Physics, Clarendon Laboratory, University of Oxford, Oxford OX1 3PU, UK;

    Dept. of Physics, Clarendon Laboratory, University of Oxford, Oxford OX1 3PU, UK;

    International Atomic Energy Agency, Vienna International Centre, A-1400 Vienna, Austria;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 应用光学;
  • 关键词

    free electron laser; hard x-ray; x-ray crystal spectroscopy; warm dense matter; high energy density; plasmas;

    机译:自由电子激光硬X射线X射线晶体光谱法;温暖的致密物质;高能量密度等离子;

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