Dortmund 2021 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 63: Detector Systems II

T 63.4: Vortrag

Mittwoch, 17. März 2021, 16:45–17:00, Tm

Potting of the intelligent PMTs for OSIRIS — •feng gao, achim stahl, jochen steinmann, cornelius vollbrecht, and christian wysotzki for the JUNO collaboration — RWTH university, Aachen, Germany

For OSIRIS 76 intelligent PMTs (iPMTs) will be used inside pure water as light detectors. All readout electronics are mounted at the backside of the PMT. Compared with a traditional PMT readout, a pure digital signal will be sent from the iPMT to the back-end electronics, so that the PMT signal can be transmitted lossless.

The electronics soldered on the PMT are immersed within oil inside a cylindrical stainless steel shell. Heat, generated by the electronics, is transferred via oil and stainless steel to the cooled water pool. This way the electronics are kept at a stable temperature. In order to prevent the electronics from being exposed to pure water, potting is required.

The solution and process of the potting will be presented in this talk.