| 摘要 |
A photo cathode ( 2 ) converts an incident light into photoelectrons. A photomultiplier ( 3 ), kept vacuum inside thereof, amplifies photoelectrons converted by the photo cathode ( 2 ). Photoelectrons intensified by the photomultiplier ( 3 ) arrives at an output electrode array ( 4 ), and a current signal produced by the photoelectrons arriving at the output electrode array is directly read outside the photomultiplier via metal bulbs ( 6 ) or anisotropic conductive rubber.
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