Characterization and Novel Application of Power Over Fiber for Electronics in a Harsh Environment

TL;DR

This paper explores the use of Power-over-Fiber technology for reliable, low-noise power delivery to sensitive electronics in extreme environments like high voltage and cryogenic conditions, with a focus on a novel application in the DUNE experiment.

Contribution

It introduces a novel application of PoF for powering photon detectors at high voltage in cryogenic environments, demonstrating its potential for critical, extreme-condition electronic systems.

Findings

PoF provides reliable power with minimal system degradation in cryogenic environments.

PoF maintains low noise levels suitable for sensitive electronic systems.

The technology offers superior isolation and efficiency in high voltage, extreme temperature settings.

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.