VUV detection in large-area avalanche photodiodes as a function of temperature

被引:4
|
作者
Lopes, JAM
Fernandes, LMP
dos Santos, JMF [1 ]
Morgado, RE
Conde, CAN
机构
[1] Univ Coimbra, Dept Fis, P-3004516 Coimbra, Portugal
[2] Los Alamos Natl Lab, Los Alamos, NM 87545 USA
关键词
LAAPD; VUV; photon-detection;
D O I
10.1016/S0168-9002(03)00763-0
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
The response of a Peltier-cooled large-area avalanche photodiode to VUV-Iight is investigated as a function of the operation temperature. The reduction of the temperature down to 5degreesC will improve both photodiode light-level detection limit and statistical fluctuations; further temperature reduction will not result in improved performance. Optimum operation characteristics are already achieved for gains around 100 and do not depend significantly on the operation temperature. The relative variation of the gain with temperature increases with the biasing voltage presenting values that are almost a factor of two higher than for visible light detection. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:331 / 334
页数:4
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