Characterization of a 66-mm super(2) 75- mu m cell MPPC suitable for the Cherenkov Telescope Array project

This paper presents the latest characterization results of a novel Low Cross-Talk (LCT) large-area (66-mm super(2)) Multi-Pixel Photon Counter (MPPC) detector manufactured by Hamamatsu, belonging to the recent LCT5 family and achieving a fill-factor enhancement and cross-talk reduction. In addition,...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2016-08, Vol.826, p.31-38
Main Authors: Romeo, G, Bonanno, G, Garozzo, S, Grillo, A, Marano, D, Munari, M, Timpanaro, M C, Catalano, O, Giarrusso, S, Impiombato, D, La Rosa, G, Sottile, G
Format: Article
Language:English
Subjects:
Accelerators
Arrays
Detectors
Photon counters
Photons
Pixels
Spectra
Telescopes
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Summary:This paper presents the latest characterization results of a novel Low Cross-Talk (LCT) large-area (66-mm super(2)) Multi-Pixel Photon Counter (MPPC) detector manufactured by Hamamatsu, belonging to the recent LCT5 family and achieving a fill-factor enhancement and cross-talk reduction. In addition, the newly adopted resin coating is demonstrated to yield improved photon detection capabilities in the 290-350 nm spectral range, making the new LCT MPPC particularly suitable for emerging applications like Cherenkov Telescopes. For a 33-mm super(2) version of the new MPPC under test, a comparative analysis of the large pixel pitch (75- mu m) detector versus the smaller pixel pitch (50- mu m) detector is also undertaken. Furthermore, measurements of the 66-mm super(2) MPPC response versus the angle of incidence are provided for the characterized device.
ISSN:0168-9002
DOI:10.1016/j.nima.2016.04.060