Development of hybrid photodetectors using single-crystal III–V photocathodes

Improved performance photodetectors are required for a variety of applications in Biomedical, Astronomy and High-Energy Physics research. The combination of high Quantum efficiencies, III–V photocathodes and Avalanche PhotoDiodes (APDs) can provide enhancements applicable to these research areas. Th...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2003-05, Vol.504 (1-3), p.182-187
Main Authors: Smith, Bill, Passmore, Keith, Smith, Arlynn, Lundberg, Randy, Thomas, Nils, Bell, Nick, Lively, Chris, Sillmon, Roger, Benz, Rudy, Karplus, Eric, Abraham, Jim, Farrell, Richard, Ferenc, Daniel
Format: Article
Language:English
Subjects:
Biomedical imaging
Cherenkov detectors
Hybrid PMT
Photon counting
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Summary:Improved performance photodetectors are required for a variety of applications in Biomedical, Astronomy and High-Energy Physics research. The combination of high Quantum efficiencies, III–V photocathodes and Avalanche PhotoDiodes (APDs) can provide enhancements applicable to these research areas. This is particularly true in the photon counting regime. Preliminary development of a Winston-cone-based Hybrid device (ReFerence) and an APD-based imaging Hybrid Photomultiplier Tube are presented. These devices take advantage of the high-performance cathodes and mechanically robust structures used in state of the art night vision imagining systems. Theoretical and observed performance are described.
ISSN:0168-9002
1872-9576
DOI:10.1016/S0168-9002(03)00788-5