首页> 外文期刊>The Journal of Chemical Physics >Alignment, orientation, and Coulomb explosion of difluoroiodobenzene studied with the pixel imaging mass spectrometry (PImMS) camera
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Alignment, orientation, and Coulomb explosion of difluoroiodobenzene studied with the pixel imaging mass spectrometry (PImMS) camera

机译:用像素成像质谱(PIMM)相机研究二氟苯苯苯的对准,取向和库仑爆炸

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摘要

Laser-induced adiabatic alignment and mixed-field orientation of 2,6-difluoroiodobenzene (C6H3F2I) molecules are probed by Coulomb explosion imaging following either near-infrared strong-field ionization or extreme-ultraviolet multi-photon inner-shell ionization using free-electron laser pulses. The resulting photoelectrons and fragment ions are captured by a double-sided velocity map imaging spectrometer and projected onto two position-sensitive detectors. The ion side of the spectrometer is equipped with a pixel imaging mass spectrometry camera, a time-stamping pixelated detector that can record the hit positions and arrival times of up to four ions per pixel per acquisition cycle. Thus, the time-of-flight trace and ion momentum distributions for all fragments can be recorded simultaneously. We show that we can obtain a high degree of one-and three-dimensional alignment and mixed-field orientation and compare the Coulomb explosion process induced at both wavelengths. Published by AIP Publishing.
机译:通过使用游离电子在近红外强 - 野外电离或极端紫外多光子内壳电离之后的库仑爆炸成像探测了激光诱导的2,6-二氟苯苯苯(C6H3F2I)分子的混合场取向激光脉冲。得到的光电子和片段离子被双面速度映射成像光谱仪捕获并投影到两个位置敏感的探测器上。光谱仪的离子侧配备有像素成像质谱相机,这是一个时冲印的像素化检测器,其可以记录每个获取循环每像素的每像素多达四个离子的命中位置和到达时间。因此,可以同时记录所有片段的飞行时间跟踪和离子动量分布。我们表明我们可以获得高度的单尺和三维对准和混合场取向,并比较在两个波长处感应的库仑爆炸过程。通过AIP发布发布。

著录项

  • 来源
    《The Journal of Chemical Physics》 |2017年第1期|共8页
  • 作者单位

    Univ Oxford Dept Chem Chem Res Lab Oxford OX1 3TA England;

    Deutsch Elekt Synchrotron DESY D-22607 Hamburg Germany;

    Univ Oxford Dept Chem Chem Res Lab Oxford OX1 3TA England;

    Univ Oxford Dept Chem Chem Res Lab Oxford OX1 3TA England;

    Univ Oxford Dept Chem Chem Res Lab Oxford OX1 3TA England;

    Aarhus Univ Dept Chem DK-8000 Aarhus C Denmark;

    Max Born Inst Nichtlineare Opt &

    Kurzzeitspektros D-12489 Berlin Germany;

    Deutsch Elekt Synchrotron DESY Ctr Free Electron Laser Sci CFEL D-22607 Hamburg Germany;

    Deutsch Elekt Synchrotron DESY D-22607 Hamburg Germany;

    Kansas State Univ Dept Phys JR Macdonald Lab Cardwell Hall Manhattan KS 66506 USA;

    Univ Connecticut Dept Phys Storrs CT 06269 USA;

    Deutsch Elekt Synchrotron DESY D-22607 Hamburg Germany;

    Deutsch Elekt Synchrotron DESY D-22607 Hamburg Germany;

    Deutsch Elekt Synchrotron DESY D-22607 Hamburg Germany;

    Deutsch Elekt Synchrotron DESY D-22607 Hamburg Germany;

    Lund Univ Dept Phys S-22100 Lund Sweden;

    Deutsch Elekt Synchrotron DESY Ctr Free Electron Laser Sci CFEL D-22607 Hamburg Germany;

    Max Born Inst Nichtlineare Opt &

    Kurzzeitspektros D-12489 Berlin Germany;

    Deutsch Elekt Synchrotron DESY Ctr Free Electron Laser Sci CFEL D-22607 Hamburg Germany;

    Tech Univ Berlin Inst Opt &

    Atomare Phys D-10623 Berlin Germany;

    Deutsch Elekt Synchrotron DESY D-22607 Hamburg Germany;

    Deutsch Elekt Synchrotron DESY D-22607 Hamburg Germany;

    Max Born Inst Nichtlineare Opt &

    Kurzzeitspektros D-12489 Berlin Germany;

    Deutsch Elekt Synchrotron DESY D-22607 Hamburg Germany;

    Aarhus Univ Dept Chem DK-8000 Aarhus C Denmark;

    Deutsch Elekt Synchrotron DESY D-22607 Hamburg Germany;

    Deutsch Elekt Synchrotron DESY D-22607 Hamburg Germany;

    Deutsch Elekt Synchrotron DESY D-22607 Hamburg Germany;

    Deutsch Elekt Synchrotron DESY Ctr Free Electron Laser Sci CFEL D-22607 Hamburg Germany;

    Tech Univ Berlin Inst Opt &

    Atomare Phys D-10623 Berlin Germany;

    Deutsch Elekt Synchrotron DESY Ctr Free Electron Laser Sci CFEL D-22607 Hamburg Germany;

    Univ Oxford Dept Chem Chem Res Lab Oxford OX1 3TA England;

    Kansas State Univ Dept Phys JR Macdonald Lab Cardwell Hall Manhattan KS 66506 USA;

    Aarhus Univ Dept Chem DK-8000 Aarhus C Denmark;

    Univ Oxford Dept Chem Chem Res Lab Oxford OX1 3TA England;

    Deutsch Elekt Synchrotron DESY D-22607 Hamburg Germany;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 物理化学(理论化学)、化学物理学;
  • 关键词

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