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Proceedings Paper

Computational aspects of photomultiplier design
Author(s): Khadija Tahir; John A. Rouse; Xieqing Zhu; Eric Munro
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Paper Abstract

The finite difference method (FDM) is used to compute electrostatic potential distributions in photomultipliers. New Fortran packages, using both successive over-relaxation (SOR) and incomplete Choleski conjugate gradient (ICCG) techniques, have been developed for solving the finite difference equations. The effects of the mesh size on the accuracy of the results and the difference between the two methods are highlighted. The electron trajectories are computed by direct ray tracing with a power series method. The software can handle electron transparent grids as well as dynodes. It has been used to characterize the performance of many photomultiplier tubes. The results agree very well with experimental measurements. In addition, the advantages of using three-dimensional field computation in the design of certain PM tubes are illustrated.

Paper Details

Date Published: 1 April 1993
PDF: 8 pages
Proc. SPIE 1982, Photoelectronic Detection and Imaging: Technology and Applications '93, (1 April 1993); doi: 10.1117/12.142024
Show Author Affiliations
Khadija Tahir, Imperial College of Science, Technology and Medicine (United Kingdom)
John A. Rouse, Imperial College of Science, Technology and Medicine (United Kingdom)
Xieqing Zhu, Imperial College of Science, Technology and Medicine (United Kingdom)
Eric Munro, Imperial College of Science, Technology and Medicine (United Kingdom)


Published in SPIE Proceedings Vol. 1982:
Photoelectronic Detection and Imaging: Technology and Applications '93

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