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@ARTICLE{Buser:625223,
      author       = {Buser, Matthias and Henn, Manuel and Schneller, Lukas and
                      Hummel, Marc and Olowinsky, Alexander and Beckmann, Felix
                      and Hagenlocher, Christian and Graf, Thomas},
      title        = {{M}easuring the {P}rogress of {L}aser {D}rilling by {M}eans
                      of {OCT} and {V}alidation {U}sing {X}-{R}ay {S}ynchrotron
                      {I}maging},
      journal      = {Lasers in manufacturing and materials processing},
      volume       = {12},
      number       = {2},
      issn         = {2196-7229},
      address      = {New York, NY [u.a.]},
      publisher    = {Springer},
      reportid     = {PUBDB-2025-01056},
      pages        = {257 - 273},
      year         = {2025},
      note         = {BMWK 03EN4059C "HolesInOne"},
      abstract     = {The progress of laser drilling of deep holes was observed
                      by means of optical coherence tomography (OCT) and
                      simultaneously by high-speed imaging with an X-ray
                      synchrotron. A good agreement of the depths measured by OCT
                      and the ones extracted from the X-ray images was found for
                      boreholes with high aspect ratios up to an observation depth
                      of 2 mm. It was verified for different borehole geometries
                      generated by percussion drilling, helical drilling, using
                      circular and linear polarization, and a wide range of
                      different laser parameters. Moreover, the OCT can retrieve a
                      plausible depth even when the tip of the borehole is
                      accessible only through multiple reflections of the probe
                      beam. This proves OCT to be an expedient tool for monitoring
                      laser drilling even under challenging conditions.},
      cin          = {DOOR ; HAS-User / Hereon},
      ddc          = {670},
      cid          = {I:(DE-H253)HAS-User-20120731 / I:(DE-H253)Hereon-20210428},
      pnm          = {6G3 - PETRA III (DESY) (POF4-6G3) / FS-Proposal:
                      BAG-20211050 (BAG-20211050)},
      pid          = {G:(DE-HGF)POF4-6G3 / G:(DE-H253)BAG-20211050},
      experiment   = {EXP:(DE-H253)P-P07-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001503060400009},
      doi          = {10.1007/s40516-025-00287-8},
      url          = {https://bib-pubdb1.desy.de/record/625223},
}