PREPARATION OF REFLECTIVE CSI PHOTOCATHODES WITH REPRODUCIBLE HIGH QUANTUM EFFICIENCY

被引：20
|
作者：
MAIERKOMOR, P
BAUER, BB
FRIESE, J
GERNHAUSER, R
KIENLE, P
KORNER, HJ
MONTERMANN, G
ZEITELHACK, K
机构：
[1] Physik-Department E12, Techn. Universität München
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1995年 / 362卷 / 01期
关键词：
D O I：
10.1016/0168-9002(95)00314-2
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
CsI as a solid UV-photocathode material has many promising applications in fast gaseous photon detectors. They are proposed in large area Ring Imaging CHerenkov (RICH) devices in forthcoming experiments at various high-energy particle accelerators. A high photon-to-electron conversion efficiency is a basic requirement for the successful operation of these devices. High reproducible quantum efficiencies could be achieved with CsI layers prepared by electron beam evaporation from a water-cooled copper crucible. CsI films were deposited in the thickness range of 30 to 500 mu g/cm(2). Absorption coefficients and quantum efficiencies were measured in the wavelength region of 150 nm to 250 nm. The influence of various evaporation parameters on the quantum efficiency were investigated.
引用
收藏
页码：183 / 188
页数：6
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