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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 7, Iss. 4 — Apr. 1, 1968
  • pp: 617–622

A Practical Multiple Reflection Technique for Improving the Quantum Efficiency of Photomultiplier Tubes

J. B. Oke and Rudolph E. Schild  »View Author Affiliations


Applied Optics, Vol. 7, Issue 4, pp. 617-622 (1968)
http://dx.doi.org/10.1364/AO.7.000617


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Abstract

A technique is described by which multiple reflection techniques can be used to increase the quantum efficiency of some end-on photomultiplier tubes in the red and near ir. The method can be used in practice for astronomical and other applications where field lens imaging on the cathode is required and where small cathodes are desirable. Tests of a group of unselected production model S–20 and S–1 photomultiplier tubes show quantum efficiency gains as high as factors of 3.8 and 1.8, respectively, at practical operating wavelengths.

© 1968 Optical Society of America

History
Original Manuscript: October 25, 1967
Published: April 1, 1968

Citation
J. B. Oke and Rudolph E. Schild, "A Practical Multiple Reflection Technique for Improving the Quantum Efficiency of Photomultiplier Tubes," Appl. Opt. 7, 617-622 (1968)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-7-4-617

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