Transit time spread measurements of microchannel plate photomultipliers
An investigation of the single photoelectron and multi-photoelectron transit time-spread performance of prototype photomultipliers using curved high-gain microchannel plates for electron multiplication and proximity focusing for the input and collector stages is reported. A microchannel plate consists of a closely packed two dimensional array of very small diameter, short channel-electron multipliers. Each single channel electron multiplier is a continuous glass tube whose inside surface has a high resistance semiconducting coating used a a secondary electron-emitting surface. Measurement of the transit time spreads of the HR350 and HR400 photomultipliers (made by the Laboratories d'Electronique et the Physique Appliquee) using a specially developed very high resolution measuring system are described. The experimental data are compared with results obtained on conventional fast photomultipliers. (WHK)
- Research Organization:
- California Univ., Berkeley (USA). Lawrence Berkeley Lab.
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 7294858
- Report Number(s):
- LBL-6498; CONF-770976-1; TRN: 77-019560
- Resource Relation:
- Conference: Conference on precise electrical measurement, Brighton, UK, 5 Sep 1977
- Country of Publication:
- United States
- Language:
- English
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