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首页> 外文期刊>Applied Physics Letters >X-ray pulse preserving single-shot optical cross-correlation method for improved experimental temporal resolution
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X-ray pulse preserving single-shot optical cross-correlation method for improved experimental temporal resolution

机译：保留X射线脉冲的单发光学互相关方法以提高实验时间分辨率

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摘要

We measured the relative arrival time between an optical pulse and a soft x-ray pulse from a free-electron laser. This femtosecond cross-correlation measurement was achieved by observing the change in optical reflectivity induced through the absorption of a fraction of the x-ray pulse. The main x-ray pulse energy remained available for an independent pump-probe experiment where the sample may be opaque to soft x-rays. The method was employed to correct the two-pulse delay data from a canonical pump-probe experiment and demonstrate 130 ± 20 fs (FWHM) temporal resolution. We further analyze possible timing jitter sources and point to future improvements.
机译：我们测量了来自自由电子激光器的光脉冲和软X射线脉冲之间的相对到达时间。通过观察由吸收一部分X射线脉冲引起的光反射率的变化，可以实现飞秒互相关测量。主要的X射线脉冲能量仍可用于独立的泵浦探针实验，在该实验中，样品可能对软X射线不透明。该方法用于校正来自经典泵浦探针实验的两脉冲延迟数据，并证明了130±20 fs（FWHM）的时间分辨率。我们将进一步分析可能的时序抖动源，并指出未来的改进。

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  • 来源
    《Applied Physics Letters》 |2012年第12期|p.121108.1-121108.4|共4页
  • 作者

    M. Beye; O. Krupin; G. Hays; A. H. Reid; D. Rupp; S. de Jong; S. Lee; W.-S. Lee; Y.-D. Chuang; R. Coffee; J. P. Cryan; J. M. Glownia; A. Foehlisch; M. R. Holmes; A. R. Fry; W. E. White; C. Bostedt; A. O. Scherz; H. A. Durr; W. F. Schlotter;

  • 作者单位

    S1MES, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA Helmholtz-Zentrum Berlin fuer Materialien und Energie GmbH, 12489 Berlin, Germany;

    LCLS, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA European XFEL GmbH, 22607 Hamburg, Germany;

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

    S1MES, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA Radboud University Nijmegen, Institute for Molecules and Materials, 6525 AJ Nijmegen, Netherlands;

    LCLS, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA Technische Universitaet Berlin, 10623 Berlin, Germany;

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

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

    S1MES, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA;

    Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA;

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

    LCLS, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA PULSE, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA;

    LCLS, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA PULSE, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA;

    Helmholtz-Zentrum Berlin fuer Materialien und Energie GmbH, 12489 Berlin, Germany;

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

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

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

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

    S1MES, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA;

    S1MES, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA Helmholtz-Zentrum Berlin fuer Materialien und Energie GmbH, 12489 Berlin, Germany;

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

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