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26 April 2024 |
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A Brief Technical History of the Large-Area Picosecond Photodetector (LAPPD) Collaboration | | Bernhard W. Adams
; Klaus Attenkofer
; Mircea Bogdan
; Karen Byrum
; Andrey Elagin
; Jeffrey W. Elam
; Henry J. Frisch
; Jean-Francois Genat
; Herve Grabas
; Joseph Gregar
; Elaine Hahn
; Mary Heintz
; Zinetula Insepov
; Valentin Ivanov
; Sharon Jelinsky
; Slade Jokely
; Sun Wu Lee
; Anil. U. Mane
; Jason McPhate
; Michael J. Minot
; Pavel Murat
; Kurtis Nishimura
; Richard Northrop
; Razib Obaid
; Eric Oberla
; Erik Ramberg
; Anatoly Ronzhin
; Oswald H. Siegmund
; Gregory Sellberg
; Neal T. Sullivan
; Anton Tremsin
; Gary Varner
; Igor Veryovkin
; Alexei Vostrikov
; Robert G. Wagner
; Dean Walters
; Hsien-Hau Wang
; Matthew Wetstein
; Junqi Xi
; Zikri Yusov
; Alexander Zinovev
; | | Date: |
6 Mar 2016 | | Abstract: | The Large Area Picosecond PhotoDetector (LAPPD) Collaboration was formed in
2009 to develop large-area photodetectors capable of time resolutions measured
in pico-seconds, with accompanying sub-millimeter spatial resolution. During
the next three and one-half years the Collaboration developed the LAPPD design
of 20 x 20 cm modules with gains greater than $10^7$ and non-uniformity less
than $15\%$, time resolution less than 50 psec for single photons and spatial
resolution of 700~microns in both lateral dimensions. We describe the R&D
performed to develop large-area micro-channel plate glass substrates, resistive
and secondary-emitting coatings, large-area bialkali photocathodes, and
RF-capable hermetic packaging. In addition, the Collaboration developed the
necessary electronics for large systems capable of precise timing, built up
from a custom low-power 15-GigaSample/sec waveform sampling 6-channel
integrated circuit and supported by a two-level modular data acquisition system
based on Field-Programmable Gate Arrays for local control, data-sparcification,
and triggering. We discuss the formation, organization, and technical successes
and short-comings of the Collaboration. The Collaboration ended in December
2012 with a transition from R&D to commercialization. | | Source: | arXiv, 1603.1843 | | Services: | Forum | Review | PDF | Favorites | |
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