A self-monitoring precision calibration light source for large-volume neutrino telescopes

@article{Henningsen2020ASP,
  title={A self-monitoring precision calibration light source for large-volume neutrino telescopes},
  author={Felix Henningsen and M. Boehmer and Andreas G{\"a}rtner and L. Geilen and Roman Gernh{\"a}user and Henning Heggen and Kilian Holzapfel and Christian Fruck and L{\'a}szl{\'o} Papp and Immacolata Carmen Rea and Elisa Resconi and F. Schmuckermaier and Christian Spannfellner and Michael Traxler},
  journal={Journal of Instrumentation},
  year={2020},
  volume={15},
  pages={P07031 - P07031}
}
With the rise of neutrino astronomy using large-volume detector arrays, calibration improvements of optical media and photosensors have emerged as significant means to reduce detector systematics. To improve understanding of the detector volume and its instrumentation, we developed an absolutely-calibrated, self-monitoring, isotropic, nanosecond, high-intensity calibration light source called “Precision Optical Calibration Module” (POCAM). This, now third iteration, of the instrument was… 
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We present here a new concept of an in-situ self-calibrated isotropic light source for the future IceCube-Gen2 neutrino detector called the Precision Optical Calibration Module (POCAM). IceCube-Gen2
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The planned IceCube Upgrade, consisting of seven new instrumentation strings, will be installedat the South Pole within 2022/2023. The focus of this upgrade is calibration, reduction ofsystematic
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A novel specialized calibration device named as the Precision Optical Calibration Module (POCAM) is presented, based on the principle of an inverted integrating sphere, which will enable a better understanding of the ice and will therefore significantly reduce systematic effects in IceCube.
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