TPB-coated Light Guides for Liquid Argon TPC Light Detection Systems
C. M. Ignarra
TL;DR
This paper presents the development and characterization of compact TPB-coated acrylic light guides designed for improved light detection in Liquid Argon TPCs, enhancing the efficiency of scintillation light collection.
Contribution
It introduces a new, more compact light guide design coated with TPB in acrylic, suitable for LArTPC light detection systems.
Findings
The TPB-coated acrylic guides effectively shift UV light to visible wavelengths.
The new design is more compact than existing systems.
Initial characterizations show promising light collection efficiency.
Abstract
Light detection systems in Liquid Argon Time Projection Chambers (LArTPCs) require the detection of the 128 nm light produced during argon scintillation. Most detectors use Tetraphenyl Butadiene (TPB) to shift the wavelength of the light into a range visible to Photomultiplier Tubes (PMTs). These proceedings summarize characterizations of light-guides coated with a matrix of TPB in UV transmitting acrylic which are more compact than existing LArTPC light collection systems.
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