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

Ivan S Nekrylov; Sergey V. Mednikov; Aleksander N. Chertov; Joel J. P. C. Rodrigues; Valery V. Korotaev; Alexander N. Timofeev

doi:10.1117/12.2527468

21 June 2019 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

Ivan S Nekrylov, Sergey V. Mednikov, Aleksander N. Chertov, Joel J. P. C. Rodrigues, Valery V. Korotaev, Alexander N. Timofeev

Author Affiliations +

Proceedings Volume 11056, Optical Measurement Systems for Industrial Inspection XI; 110562V (2019) https://doi.org/10.1117/12.2527468
Event: SPIE Optical Metrology, 2019, Munich, Germany

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.

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Ivan S Nekrylov, Sergey V. Mednikov, Aleksander N. Chertov, Joel J. P. C. Rodrigues, Valery V. Korotaev, and Alexander N. Timofeev "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", Proc. SPIE 11056, Optical Measurement Systems for Industrial Inspection XI, 110562V (21 June 2019); https://doi.org/10.1117/12.2527468

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