A Test of the Linearity of a Photomultiplier Used for Reflectivity Measurement

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

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.

Mineralogical Magazine; March 1966 v. 35; no. 273; p. 756-758; DOI: 10.1180/minmag.1966.035.273.10
© 1966, The Mineralogical Society
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