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@ARTICLE{Li:611711,
      author       = {Li, Zheng and Shi, Liangliang and Cao, Lushuai and Liu,
                      Zhengyou and Küpper, Jochen},
      title        = {{A}coustic {F}unnel and {B}uncher for {N}anoparticle
                      {I}njection},
      reportid     = {PUBDB-2024-05025, arXiv:1803.07472},
      year         = {2019},
      abstract     = {Acoustics-based techniques are investigated to focus and
                      bunch nanoparticle beams. This allows to overcome the
                      prominent problem of the longitudinal and transverse
                      mismatch of particle stream and x-ray beam in
                      single-particle/single molecule imaging at x-ray
                      free-electron lasers (XFEL). It will also enable
                      synchronised injection of particle streams at kHz repetition
                      rates. Transverse focusing concentrates the particle flux to
                      the (sub)micrometer x-ray focus. In the longitudinal
                      direction, focused acoustic waves can be used to bunch the
                      particle to the same repetition rate as the x-ray pulses.
                      The acoustic manipulation is based on simple mechanical
                      recoil effects and could be advantageous over
                      light-pressure-based methods, which rely on absorption. The
                      acoustic equipment is easy to implement and can be
                      conveniently inserted into current XFEL endstations. With
                      the proposed method, data collection times could be reduced
                      by a factor of $10^4$. This work does not just provide an
                      efficient method for acoustic manipulation of streams of
                      arbitrary gas phase particles, but also opens up wide
                      avenues for acoustics-based particle optics.},
      cin          = {FS-CFEL-CMI / CFEL-ARD / UNI/CUI / UNI/EXP},
      ddc          = {530},
      cid          = {I:(DE-H253)FS-CFEL-CMI-20220405 /
                      I:(DE-H253)CFEL-ARD-20160914 / $I:(DE-H253)UNI_CUI-20121230$
                      / $I:(DE-H253)UNI_EXP-20120731$},
      pnm          = {631 - Matter – Dynamics, Mechanisms and Control
                      (POF4-631) / 6G2 - FLASH (DESY) (POF4-6G2) / 6G13 -
                      Accelerator of European XFEL (POF4-6G13) / DFG project
                      194651731 - EXC 1074: Hamburger Zentrum für ultraschnelle
                      Beobachtung (CUI): Struktur, Dynamik und Kontrolle von
                      Materie auf atomarer Skala (194651731) / DFG project
                      390715994 - EXC 2056: CUI: Advanced Imaging of Matter
                      (390715994) / Ex-Net-0002-Phase2-3 - Advanced Imaging of
                      Matter: Structure, Dynamics and Control on the Atomic Scale
                      - AIM $(2018_Ex-Net-0002-Phase2-3)$},
      pid          = {G:(DE-HGF)POF4-631 / G:(DE-HGF)POF4-6G2 /
                      G:(DE-HGF)POF4-6G13 / G:(GEPRIS)194651731 /
                      G:(GEPRIS)390715994 / $G:(DE-HGF)2018_Ex-Net-0002-Phase2-3$},
      experiment   = {EXP:(DE-H253)XFEL(machine)-20150101},
      typ          = {PUB:(DE-HGF)25},
      eprint       = {1803.07472},
      howpublished = {arXiv:1803.07472},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:1803.07472;\%\%$},
      doi          = {10.3204/PUBDB-2024-05025},
      url          = {https://bib-pubdb1.desy.de/record/611711},
}