ArCLight—A Compact Dielectric Large-Area Photon Detector

• Main Authors: Martin Auger, Yifan Chen, Antonio Ereditato, Damian Goeldi, Igor Kreslo, David Lorca, Matthias Luethi, Thomas Mettler, James Sinclair, Michele Weber
• Format: Article
• Language: English
• Published: MDPI AG 2018-02-01
• Series: Instruments
• Subjects: scintillation; liquid argon; photo-detectors
• Online Access: http://www.mdpi.com/2410-390X/2/1/3

ArgonCube Light readout system (ArCLight) is a novel device for detecting scintillation light over large areas with Photon Detection Efficiency (PDE) of the order of a few percent. Its robust technological design allows for efficient use in large-volume particle detectors, such as Liquid Argon Time Projection Chambers (LArTPCs) or liquid scintillator detectors. Due to its dielectric structure it can be placed inside volumes with high electric field. It could potentially replace vacuum PhotoMultiplier Tubes (PMTs) in applications where high PDE is not required. The photon detection efficiency for a 10 × 10 cm2 detector prototype was measured to be in the range of 0.8% to 2.2% across the active area.