Development of a low-cost fast-timing microchannel plate photodetector

Junqi Xie; Karen Byrum; Marcel Demarteau; Edward May; Robert Wagner; Dean Walters; Jingbo Wang; Lei Xia; Huyue Zhao

doi:10.1016/j.nima.2015.11.024

Development of a low-cost fast-timing microchannel plate photodetector

Junqi Xie, Karen Byrum, Marcel Demarteau, Edward May, Robert Wagner, Dean Walters, Jingbo Wang, Lei Xia, Huyue Zhao

Physics Division

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Abstract

We report on the design, fabrication and characterization of a prototype 6×6^cm2 microchannel plate photodetector with precise fast-timing measurement capability. The whole assembly is made of low cost glass materials with a bialkali photocathode top window. All components are hermetically sealed in vacuum. The prototype photodetector exhibits time resolution of 65 ps and 16 ps at single-photoelectron and multi-photoelectron levels, respectively. The spatial resolution reaches 0.54 mm for multi-photoelectron measurements. The bialkali photocathode exhibits a maximum quantum efficiency exceeding 20% with a uniformity of ±40%.

Original language	English
Pages (from-to)	159-161
Number of pages	3
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	824
DOIs	https://doi.org/10.1016/j.nima.2015.11.024
State	Published - Jul 11 2016

Funding

Work at Argonne National Laboratory was supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences and Office of High Energy Physics under Contract DE-AC02-06CH11357 .

Keywords

MCP
Microchannel plate
Photodetector
Quantum efficiency
Spatial resolution
Time resolution

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10.1016/j.nima.2015.11.024

Cite this

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title = "Development of a low-cost fast-timing microchannel plate photodetector",

abstract = "We report on the design, fabrication and characterization of a prototype 6×6cm2 microchannel plate photodetector with precise fast-timing measurement capability. The whole assembly is made of low cost glass materials with a bialkali photocathode top window. All components are hermetically sealed in vacuum. The prototype photodetector exhibits time resolution of 65 ps and 16 ps at single-photoelectron and multi-photoelectron levels, respectively. The spatial resolution reaches 0.54 mm for multi-photoelectron measurements. The bialkali photocathode exhibits a maximum quantum efficiency exceeding 20% with a uniformity of ±40%.",

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AU - Xie, Junqi

AU - Byrum, Karen

AU - Demarteau, Marcel

AU - May, Edward

AU - Wagner, Robert

AU - Walters, Dean

AU - Wang, Jingbo

AU - Xia, Lei

AU - Zhao, Huyue

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AB - We report on the design, fabrication and characterization of a prototype 6×6cm2 microchannel plate photodetector with precise fast-timing measurement capability. The whole assembly is made of low cost glass materials with a bialkali photocathode top window. All components are hermetically sealed in vacuum. The prototype photodetector exhibits time resolution of 65 ps and 16 ps at single-photoelectron and multi-photoelectron levels, respectively. The spatial resolution reaches 0.54 mm for multi-photoelectron measurements. The bialkali photocathode exhibits a maximum quantum efficiency exceeding 20% with a uniformity of ±40%.

KW - MCP

KW - Microchannel plate

KW - Photodetector

KW - Quantum efficiency

KW - Spatial resolution

KW - Time resolution

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JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

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Development of a low-cost fast-timing microchannel plate photodetector

Abstract

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Keywords

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