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Optical Engineering

Electro-Optical Color Sorting of Agricultural Particles
Author(s): N. S. Kopeika; B. Gafni; A. Greenfeld
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Paper Abstract

Electronic color sorting machines pose maintenance problems when used for hygroscopic agricultural particles because of the high bias voltages required by photomultipliers. Unbiased photodiodes, with appropriate optical filters, should improve such systems considerably if used in place of photomultipliers.

Paper Details

Date Published: 1 August 1976
PDF: 4 pages
Opt. Eng. 15(4) 154360 doi: 10.1117/12.7971993
Published in: Optical Engineering Volume 15, Issue 4
Show Author Affiliations
N. S. Kopeika, Ben Gurion University of the Negev (Israel)
B. Gafni, Ben Gurion University of the Negev (Israel)
A. Greenfeld, Ben Gurion University of the Negev (Israel)


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