RECENT ADVANCES IN PHOTOMULTIPLIERS FOR LOW LIGHT LEVEL APPLICATIONS

被引:4
作者
HEARING, R [1 ]
WRIGHT, AG [1 ]
机构
[1] EMI ELECTRON TUBES,RUISLIP,MIDDLESEX,ENGLAND
关键词
D O I
10.1109/TNS.1979.4329659
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 Measurement of light sources of feeble intensity reguires special detectors. Two new photomultipliers suitable for such measurements are described. The 9870, ‘bulls-eye’, photomultiplier has a quasi-spherical cathode with nearly 2 π collection efficiency. The cathode shape provides isochronous collection over the pbotocathode area. This tube is used for large volume Cerenkov detectors. The 9863 is a fast, linear focused photomultipliers with a cathode of small effective area, and is used where the light can be suitably focused. The tube has a large dynamic counting range and has general application in photon counting. The low afterpulse performance when used with fast, digital correlators is discussed. Copyright © 1978 by The Institute of Electrical and Electronics Engineers, Inc.
引用
收藏
页码:368 / 372
页数:5
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