A design concept that places fiber-coupled digital silicon photomultipliers inside the bulk of large liquid argon TPCs to capture prompt scintillation light for fast timing and particle identification.
Characterization and Novel Application of Power Over Fiber for Electronics in a Harsh Environment
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abstract
Power-over-Fiber (PoF) technology has been used extensively in settings where high voltages require isolation from ground. In a novel application of PoF, power is provided to photon detector modules located on a surface at $\sim$ 300 kV with respect to ground in the planned DUNE experiment. In cryogenic environments, PoF offers a reliable means of power transmission, leveraging optical fibers to transfer power with minimal system degradation. PoF technology excels in maintaining low noise levels when delivering power to sensitive electronic systems operating in extreme temperatures and high voltage environments. This paper presents the R$\&$D effort of PoF in extreme conditions and underscores its capacity to revolutionize power delivery and management in critical applications, offering a dependable solution with low noise, optimal efficiency, and superior isolation.
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Fiber-coupled Digital Photo Sensors for Large Time Projection Chambers
A design concept that places fiber-coupled digital silicon photomultipliers inside the bulk of large liquid argon TPCs to capture prompt scintillation light for fast timing and particle identification.