The power over fiber (PoF) technology delivers electrical power by sending laser light through an optical fiber to a photovoltaic power converter, in order to power sensors or electrical devices. This solution offers several advantages: removal of noise induced by power lines, robustness in a hostile environment, spark free operation when electric fields are present and no interference with electromagnetic fields. This technology is at the basis of the Cryo-PoF project: an R&D funded by the Italian Insitute for Nuclear Research (INFN) in Milano-Bicocca (Italy). This project is inspired by the needs of the DUNE Vertical Drift detector, where the VUV light of liquid argon must be collected at the cathode, i.e. on a surface whose voltage exceeds 300 kV. We aim to develop a cryogenic system, which is solely based on optoelectronic devices and a single laser input line, to power both the Photon Detection devices and its electronic amplifier. We will presents the first results obtained during tests performed in Milano-Bicocca laboratory.
Torti, M., Andreani, A., Brizzolari, C., Cristaldo Morales, E., Delgado Gonzales, M., Falcone, A., et al. (2025). CRYO-PoF: Cryogenic power over fiber for fundamental and applied physics at Milano-Bicocca. In Technology & Instrumentation in Particle Physics (TIPP2023) (pp.1-5). Sissa Medialab Srl [10.22323/1.468.0075].
CRYO-PoF: Cryogenic power over fiber for fundamental and applied physics at Milano-Bicocca
Torti, M
;Brizzolari, C;Cristaldo Morales, EJ;Falcone, A;Meazza, l;Terranova, F;
2025
Abstract
The power over fiber (PoF) technology delivers electrical power by sending laser light through an optical fiber to a photovoltaic power converter, in order to power sensors or electrical devices. This solution offers several advantages: removal of noise induced by power lines, robustness in a hostile environment, spark free operation when electric fields are present and no interference with electromagnetic fields. This technology is at the basis of the Cryo-PoF project: an R&D funded by the Italian Insitute for Nuclear Research (INFN) in Milano-Bicocca (Italy). This project is inspired by the needs of the DUNE Vertical Drift detector, where the VUV light of liquid argon must be collected at the cathode, i.e. on a surface whose voltage exceeds 300 kV. We aim to develop a cryogenic system, which is solely based on optoelectronic devices and a single laser input line, to power both the Photon Detection devices and its electronic amplifier. We will presents the first results obtained during tests performed in Milano-Bicocca laboratory.
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