Bulletin of the American Physical Society
APS April Meeting 2024
Wednesday–Saturday, April 3–6, 2024; Sacramento & Virtual
Session EE02: V: Experimental Nuclear Physics
4:00 PM–6:00 PM,
Thursday, April 4, 2024
Room: Virtual Room 02
Sponsoring
Unit:
DNP
Chair: Hitesh Rahangdale, University of Tennesse, Knoxville
Abstract: EE02.00002 : Power over Fiber for the DUNE Vertical Drift Photon Detection System*
4:12 PM–4:24 PM
Presenter:
Denis Torres
(South Dakota School of Mines and Technology)
Authors:
Denis Torres
(South Dakota School of Mines and Technology)
David Martinez
(South Dakota School of Mines and Technology)
Diana Leon Silverio
(South Dakota School of Mines and Technology)
Collaboration:
DUNE Collaboration
The first far detector module (FD1) will employ Horizontal Drift (HD) technology, and the second module will have the Vertical Drift (VD) technology. The second module (FD2) will vertically drift the ionized electrons from the cathode plane suspended at the mid-height of the active volume of the cryostat, dividing it into two vertically separated volumes (each 6.5 m in height).
For the first time, photon detectors called x-ARAPUCAS will be installed in the cathode plane to increase the photon detection coverage. Because the cathode is biased with a high voltage (~300 kV) it is not possible to power the photon detectors with conventional copper cables. The Power-over-Fiber (PoF) technology has been proposed to power the photon detection system (PDS) based on optical power transmission over glass optical fibers. This PoF technology has not been applied before in a particle physics experiment operating at cryogenic temperatures. This talk will present preliminary results on the different PoF components, their QA/QC, and their installation to supply electrical power to the PDS of the ProtoDUNE Vertical Drift (Module-0) located on the cathode plane.
*This work is supported by the U.S. Department of Energy Office of Science (award No DE-SC0024450).
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