Laser-fibre interface for single-particle detector amplification and transportation

Research output: Contribution to journalArticlepeer-review

Abstract

Single quantum particle detectors (e.g. photo-multiplier tubes and electron multipliers) produce ns-output pulses that time-correlate to particles that enter them. The detector output pulses usually require amplification at source, before being sent to counting electronics for analysis. A laser-based transport system is detailed here that converts the detector output into light pulses that are injected into single mode fibre. Pulse delivery is then by fibre, so that electrical interference from the laboratory environment and earth grounding loops are eliminated. A fast photodiode and differential amplifier converts the signal exiting the fibre into a voltage pulse for subsequent timing experiments.
Original languageEnglish
Article number127002
JournalMeasurement, Science and Technology
Volume35
DOIs
Publication statusPublished - 1 Oct 2024

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