An LED-based flasher system for VERITAS

被引：18

作者：

Hanna, D. ^{[1
]}

McCann, A. ^{[1
]}

McCutcheon, M. ^{[1
]}

Nikkinen, L. ^{[1
]}

机构：

[1] McGill Univ, Dept Phys, Montreal, PQ H3A 2T8, Canada

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2010年 / 612卷 / 02期

基金：

加拿大自然科学与工程研究理事会;

关键词：

Gamma-ray astronomy; Photomultiplier tube; LED; Calibration system; TELESCOPE;

D O I：

10.1016/j.nima.2009.10.107

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We describe a flasher system designed for use in monitoring the gains of the photomultiplier tubes used in the VERITAS gamma-ray telescopes. This system uses blue light-emitting diodes (LEDs) so it can be operated at much higher rates than a traditional laser-based system. Calibration information can be obtained with better statistical precision with reduced loss of observing time. The LEDs are also much less expensive than a laser. The design features of the new system are presented, along with measurements made with a prototype mounted on one of the VERITAS telescopes. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：278 / 287

页数：10

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