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2. The Collection Efficiency of a Large Area PMT Based on the Coated MCPs

Author

Xingchao Wang, Lin Chen, Qilong Wang, Jianli He, li Liping Tian, Jinshou Tian, Lingbin Shen, and Yunji Wang

Subjects
Control and Systems Engineering, Biomedical Engineering, Instrumentation
Abstract

The electron collection efficiency (CE) of the photomultiplier tube based on microchannel plates (MCP-PMT) is limited by the MCP open area fraction. Coating MCP with a high secondary yield material is supposed to be an effective approach to improve CE. Both typical and coated MCP-PMTs are developed. A relative measurement method is proposed to characterize the collection efficiency performance. Results show that the PMT based on the coated MCPs has a significant improvement on CE, a good gain uniformity and a high precise energy resolution.

Published
2022

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