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A test of the linearity of a photomultiplier used for reflectivity measurement

Published online by Cambridge University Press:  14 March 2018

R. Phillips  and
P. M. D. Bradshaw
R. Phillips
Affiliation:
Department of Geology, University of Durham
P. M. D. Bradshaw
Affiliation:
Department of Geology, University of Durham
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Summary

A test of the linearity of a photomultiplier has been made using crossed polars as an optical attenuator. An expression is derived that allows for the measurable transmission of a polarizing filter in directions other than the permitted vibration direction. The linearity is shown to be adequate for accurate reflectivity measurement.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 35 , Issue 273 , March 1966 , pp. 756 - 758
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1966

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References

Jones, (J. M.), 1962. Econ. Geol., vol. 57, p. 42.Google Scholar
Nichol, (I.), 1962. Unpublished Ph.D. thesis, Durham.Google Scholar
Nichol, (I.) and Phillips, (R.), 1965. Min. Mag., vol. 35, p. 200.Google Scholar