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Proceedings Paper

Study of the non-uniformity of sensitivity distributed over photomultiplier active area influence on the operation of the photometric module for separate x-ray luminous diamond
Author(s): Ivan S Nekrylov; Sergey V. Mednikov; Aleksander N. Chertov; Joel J. P. C. Rodrigues; Valery V. Korotaev; Alexander N. Timofeev
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Paper Abstract

The article describes the general models, the basic principles of work and features of the construction of the photometric unit. Various factors affecting the photometric module are described. A method for measuring the overall energy calculation of the optical system of a photometric module has been proposed. Research has been conducted to develop methods for determining the sensitivity characteristics of a photomultiplier, finding ways to reduce the impact of the photomultiplier’s sensitivity non-uniformity on the area when diamonds are detected. As a result of experimental studies, dependences were obtained from which it can be concluded that the photomultiplier’s sensitivity non-uniformity affects the process of extracting diamond-containing ore.

Paper Details

Date Published: 21 June 2019
PDF: 8 pages
Proc. SPIE 11056, Optical Measurement Systems for Industrial Inspection XI, 110562V (21 June 2019); doi: 10.1117/12.2527468
Show Author Affiliations
Ivan S Nekrylov, ITMO Univ. (Russian Federation)
Sergey V. Mednikov, ITMO Univ. (Russian Federation)
Aleksander N. Chertov, ITMO Univ. (Russian Federation)
Joel J. P. C. Rodrigues, ITMO Univ. (Russian Federation)
National Institute of Telecommunications (Brazil)
Valery V. Korotaev, ITMO Univ. (Russian Federation)
Alexander N. Timofeev, ITMO Univ. (Russian Federation)

Published in SPIE Proceedings Vol. 11056:
Optical Measurement Systems for Industrial Inspection XI
Peter Lehmann; Wolfgang Osten; Armando Albertazzi Gonçalves Jr., Editor(s)

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