Large area planar photocathode for MCP-based photodetectors

Xie, Junqi; Attenkofer, Klaus; Demarteau, Marcel; Paramonov, Alexander; Ronzhin, Anatoly; Wagner, Robert; Yusof, Zikri

doi:10.1016/j.nima.2019.163234

Title: Large area planar photocathode for MCP-based photodetectors

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Abstract

We report on the principle, design, fabrication, and characterization of a large-area planar bialkali photocathode. Herein, sequential photocathode growth process was investigated, and the growth parameters, especially the initial antimony layer thickness, were optimized. The source arrangement and configuration were also simulated and the preferred configuration was chosen for numerical and experimental studies. Photocathode with average QE of 18% and activation area of similar to 40 square inches was experimentally demonstrated, making it a candidate for MCP-based photodetector applications. Further improvements were also discussed to enhance the uniformity and QE value of the photocathodes.

Authors:

Xie, Junqi ^[1]; Attenkofer, Klaus ^[1]; Demarteau, Marcel ^[1]; Paramonov, Alexander ^[1]; Ronzhin, Anatoly ^[2]; Wagner, Robert ^[1]; Yusof, Zikri ^[1]

Argonne National Lab. (ANL), Argonne, IL (United States)
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)

Publication Date:: Fri Dec 06 00:00:00 EST 2019

Research Org.:: Argonne National Laboratory (ANL), Argonne, IL (United States). Center for Nanoscale Materials (CNM)

Sponsoring Org.:: USDOE Office of Science (SC), High Energy Physics (HEP); USDOE Office of Science (SC), Basic Energy Sciences (BES)

OSTI Identifier:: 1604977

Alternate Identifier(s):: OSTI ID: 1703471

Grant/Contract Number:: AC02-06CH11357

Resource Type:: Accepted Manuscript

Journal Name:: Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment

Additional Journal Information:: Journal Volume: 955; Journal Issue: C; Journal ID: ISSN 0168-9002

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 47 OTHER INSTRUMENTATION; bialkali antimonide; large-area planar photodetector; microchannel plate; photocathode; photomultiplier tube

Citation Formats


                    Xie, Junqi, Attenkofer, Klaus, Demarteau, Marcel, Paramonov, Alexander, Ronzhin, Anatoly, Wagner, Robert, and Yusof, Zikri. Large area planar photocathode for MCP-based photodetectors.  United States: N. p., 2019. 
Web.  doi:10.1016/j.nima.2019.163234.

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                    Xie, Junqi, Attenkofer, Klaus, Demarteau, Marcel, Paramonov, Alexander, Ronzhin, Anatoly, Wagner, Robert, & Yusof, Zikri. Large area planar photocathode for MCP-based photodetectors.  United States.  https://doi.org/10.1016/j.nima.2019.163234

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                    Xie, Junqi, Attenkofer, Klaus, Demarteau, Marcel, Paramonov, Alexander, Ronzhin, Anatoly, Wagner, Robert, and Yusof, Zikri. Fri .  
"Large area planar photocathode for MCP-based photodetectors".  United States.  https://doi.org/10.1016/j.nima.2019.163234.  https://www.osti.gov/servlets/purl/1604977.

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@article{osti_1604977,

  title        = {Large area planar photocathode for MCP-based photodetectors},

  author       = {Xie, Junqi and Attenkofer, Klaus and Demarteau, Marcel and Paramonov, Alexander and Ronzhin, Anatoly and Wagner, Robert and Yusof, Zikri},

  abstractNote = {We report on the principle, design, fabrication, and characterization of a large-area planar bialkali photocathode. Herein, sequential photocathode growth process was investigated, and the growth parameters, especially the initial antimony layer thickness, were optimized. The source arrangement and configuration were also simulated and the preferred configuration was chosen for numerical and experimental studies. Photocathode with average QE of 18% and activation area of similar to 40 square inches was experimentally demonstrated, making it a candidate for MCP-based photodetector applications. Further improvements were also discussed to enhance the uniformity and QE value of the photocathodes.},

  doi          = {10.1016/j.nima.2019.163234},

  journal      = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},

  number       = C,

  volume       = 955,

  place        = {United States},

  year         = {Fri Dec 06 00:00:00 EST 2019},

  month        = {Fri Dec 06 00:00:00 EST 2019}

}

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