A STUDY OF THE CSI-TMAE PHOTOCATHODE

被引：22

作者：

KWAN, S

ANDERSON, DF

机构：

[1] Particle Detector Group, Fermi National Accelerator Laboratory, Batavia

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1991年 / 309卷 / 1-2期

关键词：

D O I：

10.1016/0168-9002(91)90101-U

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The quantum efficiency of a CsI-TMAE photocathode has been found to increase by over a factor of 2 under bombardment of positive ions from the avalanche process. A quantum efficiency of about 40% has been achieved for wavelengths less-than-or-equal-to 190 nm. This "enhancement" can be removed by an electrical discharge or by a brief exposure to a vacuum. Results on photocathode ageing are also presented.

引用

收藏

页码：190 / 195

页数：6

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