气体光电探测器的老化
Aging in gaseous photodetectors
摘要：
本文介绍了各种光敏探测器的老化研究现状。本文介绍了三甲苯胺（TMA）和乙基二茂铁（EF）光敏蒸汽以及CsI和SbCs光电阴极老化的新实验数据。从固体物理学的角度对CsI光电阴极的老化过程给出了新的解释。最后，根据我们的研究，一个一般性的结论是，薄聚合物沉积在检测器= 92秒的阴极由于老化可以引起击穿通过Malter型机制（或更准确地说-爆炸场发射机制）。
英文摘要：
This paper describes the present status of the aging studies in various photosensitive detectors. New experimental data are presented on aging of trimethilamine (TMA) and ethilferrocene (EF) photosensitive vapors as well as on CsI and SbCs photocathodes. A new explanation of the CsI photocathodes aging process based on solid state physics theory is given. Finally, based on our studies, a general conclusion was made that thin polymer depositions on the detector=92s cathode due to the aging can provoke breakdowns through the Malter-type mechanism (or more precisely- an explosive field emission mechanism).
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