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@INPROCEEDINGS{Schneller:615332,
      author       = {Schneller, Lukas and Henn, Manuel and Spurk, Christoph and
                      Hummel, Marc and Olowinsky, Alexander and Beckmann, Felix
                      and Moosmann, Julian and Holder, Daniel and Hagenlocher,
                      Christian and Graf, Thomas},
      title        = {{S}ynchrotron {X}-ray imaging of the formation of geometry
                      deviations during percussion laser drilling with ultrashort
                      pulses},
      journal      = {Journal of Laser Micro/Nanoengineering},
      volume       = {19},
      number       = {2},
      issn         = {1880-0688},
      address      = {Osaka},
      publisher    = {[Verlag nicht ermittelbar]},
      reportid     = {PUBDB-2024-06090},
      pages        = {151 - 154},
      year         = {2024},
      abstract     = {The main objective of this work is to provide a basic
                      understanding of the mechanisms and locations of defect
                      formation during percussion laser drilling of microholes
                      using ultrashort pulses.Through the application of
                      high-speed synchrotron X-ray imaging, we have been able to
                      observe the dynamic formation and evolution of these defects
                      in real-time. Our findings indicate that the initial
                      deviations in the borehole geometry are highly dependent on
                      the applied laser fluence. Specifically, while higher peak
                      fluences facilitate deeper drilling, there exists a critical
                      threshold beyond which the position of these deviations
                      begins to decrease as the fluence increases. This behavior
                      can be partially predicted within a certain fluence range
                      using an existing theoretical model, which our experimental
                      observations have tested and validated. Consequently, this
                      research not only advances our understanding of defect
                      formation in laser drilling but also provides a predictive
                      framework for optimizing drilling parameters to minimize
                      defects and enhance borehole quality.},
      month         = {Jun},
      date          = {2024-06-11},
      organization  = {The 25th International Symposium On
                       Laser Precision Microfabrication, San
                       Sebastián (Spain), 11 Jun 2024 - 14
                       Jun 2024},
      cin          = {DOOR ; HAS-User / Hereon},
      ddc          = {530},
      cid          = {I:(DE-H253)HAS-User-20120731 / I:(DE-H253)Hereon-20210428},
      pnm          = {6G3 - PETRA III (DESY) (POF4-6G3) / DFG project
                      G:(GEPRIS)236616214 - SFB 1120: Bauteilpräzision durch
                      Beherrschung von Schmelze und Erstarrung in
                      Produktionsprozessen (236616214) / FS-Proposal: BAG-20211050
                      (BAG-20211050)},
      pid          = {G:(DE-HGF)POF4-6G3 / G:(GEPRIS)236616214 /
                      G:(DE-H253)BAG-20211050},
      experiment   = {EXP:(DE-H253)P-P06-20150101},
      typ          = {PUB:(DE-HGF)16 / PUB:(DE-HGF)8},
      UT           = {WOS:001324468000010},
      doi          = {10.2961/jlmn.2024.02.2010},
      url          = {https://bib-pubdb1.desy.de/record/615332},
}