Calibration and performance of the photon sensor response of FACT - the first G-APD Cherenkov telescope

被引：68

作者：

Biland, A. ^{[1
]}

Bretz, T. ^{[1
]}

Buss, J. ^{[2
]}

Commichau, V. ^{[1
]}

Djambazov, L. ^{[1
]}

Dorner, D. ^{[3
]}

Einecke, S. ^{[2
]}

Eisenacher, D. ^{[3
]}

Freiwald, J. ^{[2
]}

Grimm, O. ^{[1
]}

von Gunten, H. ^{[1
]}

Haller, C. ^{[1
]}

Hempfling, C. ^{[3
]}

Hildebrand, D. ^{[1
]}

Hughes, G. ^{[1
]}

Horisberger, U. ^{[1
]}

Knoetig, M. L. ^{[1
]}

Kraehenbuehl, T. ^{[1
]}

Lustermann, W. ^{[1
]}

Lyard, E. ^{[4
]}

Mannheim, K. ^{[3
]}

Meier, K. ^{[3
]}

Mueller, S. ^{[2
]}

Neise, D. ^{[2
]}

Overkemping, A. -K. ^{[2
]}

Paravac, A. ^{[3
]}

Pauss, F. ^{[1
]}

Rhode, W. ^{[2
]}

Roeser, U. ^{[1
]}

Stucki, J. -P. ^{[1
]}

Steinbring, T. ^{[3
]}

Temme, F. ^{[2
]}

Thaele, J. ^{[2
]}

Vogler, P. ^{[1
]}

Walter, R. ^{[4
]}

Weitzel, Q. ^{[1
]}

机构：

[1] ETH, Inst Particle Phys, CH-8093 Zurich, Switzerland

[2] TU Dortmund, D-44221 Dortmund, Germany

[3] Univ Wurzburg, Inst Theoret Phys & Astrophys, D-97074 Wurzburg, Germany

[4] Univ Geneva, ISDC Data Ctr Astrophys, CH-1290 Versoix, Switzerland

来源：

JOURNAL OF INSTRUMENTATION | 2014年 / 9卷

关键词：

Cherenkov detectors; Photon detectors for UV; visible and IR photons (solid-state) (PIN diodes; APDs; Si-PMTs; G-APDs; CCDs; EBCCDs; EMCCDs etc); Gamma detectors; Gamma telescopes; CTA;

D O I：

10.1088/1748-0221/9/10/P10012

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The First G-APD Cherenkov Telescope (FACT) is the first in-operation test of the performance of silicon photo detectors in Cherenkov Astronomy. For more than two years it is operated on La Palma, Canary Islands (Spain), for the purpose of long-term monitoring of astro-physical sources. For this, the performance of the photo detectors is crucial and therefore has been studied in great detail. Special care has been taken for their temperature and voltage dependence implementing a correction method to keep their properties stable. Several measurements have been carried out to monitor the performance. The measurements and their results are shown, demonstrating the stability of the gain below the percent level. The resulting stability of the whole system is discussed, nicely demonstrating that silicon photo detectors are perfectly suited for the usage in Cherenkov telescopes, especially for long-term monitoring purpose.

引用

页数：43

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