Subnanosecond timing with large area avalanche photodiodes and LSO scintillator

被引：29

作者：

Moszynski, M

Ludziejewski, T

Wolski, D

Klamra, W

Szawlowski, M

Kapusta, M

机构：

[1] ROYAL INST TECHNOL,DEPT PHYS,S-10405 STOCKHOLM,SWEDEN

[2] ADV PHOTONIX INC,CAMARILLO,CA 93012

[3] UNIV WARSAW,INST EXPTL PHYS,PL-00681 WARSAW,POLAND

来源：

IEEE TRANSACTIONS ON NUCLEAR SCIENCE | 1996年 / 43卷 / 03期

关键词：

D O I：

10.1109/23.506682

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The detection properties of 10 mm and 16 mm diameter bevelled-edge avalanche photodiodes fitted with LSO crystal were measured using gamma-sources. Among the properties measured were the electron-hale pair yield, time resolution and energy resolution. These detectors provide excellent time resolution of 570+/-17 ps for Co-60 gamma-rays with the energy threshold set at 1 MeV. The energy resolution of the 662 keV gamma-peak from a Cs-137 source was measured to be 11% FWHM with a shaping time constant of 0.1 mu s. A comparative discussion of the observed time resolution of these large area APDs emphasizes that APD gain, its quantum efficiency, and capacitance are important in timing applications.

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收藏

页码：1298 / 1302

页数：5

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