Development of a multi-pixel hybrid photodetector with high quantum efficiency and gain

Author

Suyama, M. ; Fukasawa, A. ; Haba, J. ; Iijima, T. ; Iwata, S. ; Sakuda, M. ; Sumiyoshi, T. ; Takasaki, F. ; Tanaka, M. ; Tsuboyama, T. ; Yamada, Y.

Author_Institution

Hamamatsu Photonics KK, Japan

Volume

2

fYear

2003

fDate

19-25 Oct. 2003

Firstpage

1418

Abstract

A hybrid photo-detector (HPD) consisting of a photocathode and a multi-pixel avalanche diode (MP-AD) has been developed for these years. One of the features of the HPD is a good energy resolution, and it was shown in our previous study that the further improvement would be possible by reducing the fluctuation of charge loss in the dead layer at the entrance of the MP-AD. In this paper, we report on the result of the improvement with the newly developed HPD whose MP-AD encapsulated has a thinner dead layer than before. It is demonstrated that the new HPD has a much better energy resolution which enables the clear counting up to nine photoelectrons. Other features like a uniformity among the pixels or a photocathode sensitivity of the HPD are also presented.

Keywords

avalanche photodiodes; photodetectors; energy resolution; high gain; high quantum efficiency; multi-pixel avalanche diode; multi-pixel hybrid photodetector; thinner dead layer; Cathodes; Diodes; Electron tubes; Energy resolution; Fluctuations; Magnetic fields; Magnetic sensors; Optoelectronic and photonic sensors; Physics; Telephony;

fLanguage

English

Publisher

ieee

Conference_Titel

Nuclear Science Symposium Conference Record, 2003 IEEE

ISSN

1082-3654

Print_ISBN

0-7803-8257-9

Type

conf

DOI

10.1109/NSSMIC.2003.1351959

Filename

1351959