Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, volume 623, issue 1, pages 276-278
Latest bialkali photocathode with ultra high sensitivity
1
Hamamatsu Photonics K.K. Electron Tube Division, Shimokanzou 314-5, Iwata, Shizuoka 438-0193, Japan
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Publication type: Journal Article
Publication date: 2010-11-01
Quartile SCImago
Q1
Quartile WOS
Q3
Impact factor: 1.4
ISSN: 01689002
Instrumentation
Nuclear and High Energy Physics
Abstract
Among photosensitive devices in use today, the photomultiplier tube (PMT) is a versatile device providing extremely high sensitivity, exceptionally low noise and ultra-fast response. It can detect photons at ultra low light level such as single photon counting level. One of the most important characteristics of the PMT is the quantum efficiency (QE) of the photocathode. Among various kinds of photocathodes, a bialkali photocathode is commonly used for particle physics experiments since it has higher sensitivity and lower dark current than other photocathodes. QE of the conventional bialkali photocathode is 27%. Since 2007, we have made a significant improvement in the QE of the bialkali photocathode, achieving as high as 43% at peak wavelength by precise control of the photocathode activation process. This photocathode was named ultra bialkali (UBA) and was incorporated into PMTs successfully. Additionally, we have developed another new kind of bialkali photocathode for very low-temperature environments. At −175 °C, the new bialkali photocathode shows good cathode linearity up to 300 nA, and it has 28% QE and lower dark current than the UBA photocathode. A PMT with the new photocathode is expected to be an ideal detector for Dark Matter experiments or double-beta decay.
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1 publication, 2%
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American Vacuum Society
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Wiley
1 publication, 2%
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1 publication, 2%
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Royal Society of Chemistry (RSC)
1 publication, 2%
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SPIE
1 publication, 2%
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IEEE
1 publication, 2%
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Cambridge University Press
1 publication, 2%
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American Association for the Advancement of Science (AAAS)
1 publication, 2%
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Annual Reviews
1 publication, 2%
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1 publication, 2%
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- We do not take into account publications without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Nakamura K. et al. Latest bialkali photocathode with ultra high sensitivity // Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2010. Vol. 623. No. 1. pp. 276-278.
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Nakamura K., Hamana Y., Ishigami Y., MATSUI T. Latest bialkali photocathode with ultra high sensitivity // Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2010. Vol. 623. No. 1. pp. 276-278.
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TY - JOUR
DO - 10.1016/j.nima.2010.02.220
UR - https://doi.org/10.1016/j.nima.2010.02.220
TI - Latest bialkali photocathode with ultra high sensitivity
T2 - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
AU - Nakamura, Kimitsugu
AU - Hamana, Yasumasa
AU - Ishigami, Yoshihiro
AU - MATSUI, TOSHIKAZU
PY - 2010
DA - 2010/11/01 00:00:00
PB - Elsevier
SP - 276-278
IS - 1
VL - 623
SN - 0168-9002
ER -
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@article{2010_Nakamura,
author = {Kimitsugu Nakamura and Yasumasa Hamana and Yoshihiro Ishigami and TOSHIKAZU MATSUI},
title = {Latest bialkali photocathode with ultra high sensitivity},
journal = {Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment},
year = {2010},
volume = {623},
publisher = {Elsevier},
month = {nov},
url = {https://doi.org/10.1016/j.nima.2010.02.220},
number = {1},
pages = {276--278},
doi = {10.1016/j.nima.2010.02.220}
}
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MLA
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Nakamura, Kimitsugu, et al. “Latest bialkali photocathode with ultra high sensitivity.” Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 623, no. 1, Nov. 2010, pp. 276-278. https://doi.org/10.1016/j.nima.2010.02.220.