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Characterization of retroreflective tape optical properties for use with position-sensitive scintillator detectors

by Micah J Folsom, Paul A Hausladen, Jason P Hayward, Jason T Nattress, Klaus-peter Ziock
Publication Type
Journal
Journal Name
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Publication Date
Page Number
165365
Volume
1005
Issue
1

Reflective materials such as Teflon and Enhanced Specular Reflector are commonly used to maximize light collection in scintillator-based radiation detection systems. While effective, in most cases, the spatial information carried by the light is diminished or lost entirely. Retroreflectors, in contrast, better preserve the spatial information and have been shown to improve the localization performance of such systems. In this work, the relative retroreflectivity of a selection of commercial retroreflective tapes and their performance impact when coupled to a plastic scintillator are reported. We demonstrate improved localization performance with some tapes compared to Teflon and black paint.