The innovative Cherenkov camera based on SiPM sensors of the ASTRI-Horn telescope: from the T/M and electrical design to the full assembly and testing in a harsh environment

Rodolfo Canestrari; Carmelo Gargano; Giuseppe Sottile; Benedetto Biondo; Giovanni Bonanno; Pietro Bruno; Milvia Capalbi; Osvaldo Catalano; Vito Conforti; Salvatore Garozzo; Fulvio Gianotti; Salvatore Giarrusso; Enrico Giro; Alessandro Grillo; Domenico Impiombato; Giovanni La Rosa; Maria Concetta Maccarone; Davide Marano; Teresa Mineo; Giovanni Pareschi; Giuseppe Romeo; Francesco Russo; Pierluca Sangiorgi; Salvatore Scuderi; Alberto Segreto; Giorgia Sironi

doi:10.1117/12.2528153

9 September 2019 The innovative Cherenkov camera based on SiPM sensors of the ASTRI-Horn telescope: from the T/M and electrical design to the full assembly and testing in a harsh environment

Rodolfo Canestrari, Carmelo Gargano, Giuseppe Sottile, Benedetto Biondo, Giovanni Bonanno, Pietro Bruno, Milvia Capalbi, Osvaldo Catalano, Vito Conforti, Salvatore Garozzo, Fulvio Gianotti, Salvatore Giarrusso, Enrico Giro, Alessandro Grillo, Domenico Impiombato, Giovanni La Rosa, Maria Concetta Maccarone, Davide Marano, Teresa Mineo, Giovanni Pareschi, Giuseppe Romeo, Francesco Russo, Pierluca Sangiorgi, Salvatore Scuderi, Alberto Segreto, Giorgia Sironi

Author Affiliations +

Proceedings Volume 11114, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXI; 111140A (2019) https://doi.org/10.1117/12.2528153
Event: SPIE Optical Engineering + Applications, 2019, San Diego, California, United States

Abstract

ASTRI-Horn is a prototypal telescope of an imaging atmospheric Cherenkov telescope developed by the Italian National Institute of Astrophysics (INAF), proposed for the Cherenkov Telescope Array (CTA) Observatory. The CTA Observatory represents the next generation of imaging atmospheric Cherenkov telescopes and will explore the very highenergy domain from a few tens of GeV up to few hundreds of TeV. It will be composed of large-, medium-, and small sized telescopes; ASTRI-Horn is an end-to-end prototype proposed for the Small Sized array.

The main scientific instrument of the ASTRI-Horn telescope is an innovative and compact Camera with Silicon- Photomultiplier based detectors and a specifically designed fast read-out electronics based on a custom peak-detector mode. The thermo-mechanical assembly is designed to host both the entire electronics chain, from the sensors to the raw data transmission system and the calibration system, and the complete thermoregulation system.

This contribution gives a high level description of the T/M and electrical design of the Cherenkov Camera, it describes the assembling procedure of its different subsystems and their integration into the complete camera system. A discussion about possible design improvements coming from the problems/difficulties encountered during assembly is also presented. Finally, results from engineering tests conducted in-field are also presented.

Conference Presentation

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Rodolfo Canestrari, Carmelo Gargano, Giuseppe Sottile, Benedetto Biondo, Giovanni Bonanno, Pietro Bruno, Milvia Capalbi, Osvaldo Catalano, Vito Conforti, Salvatore Garozzo, Fulvio Gianotti, Salvatore Giarrusso, Enrico Giro, Alessandro Grillo, Domenico Impiombato, Giovanni La Rosa, Maria Concetta Maccarone, Davide Marano, Teresa Mineo, Giovanni Pareschi, Giuseppe Romeo, Francesco Russo, Pierluca Sangiorgi, Salvatore Scuderi, Alberto Segreto, and Giorgia Sironi "The innovative Cherenkov camera based on SiPM sensors of the ASTRI-Horn telescope: from the T/M and electrical design to the full assembly and testing in a harsh environment", Proc. SPIE 11114, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXI, 111140A (9 September 2019); https://doi.org/10.1117/12.2528153

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