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Proceedings Paper

New fiber optic laser probe for the automatic inspection of cracks in the inner side of heat exchanger tubes of nuclear power plants
Author(s): Jose Carlos Lopez Vazquez; Angel F. Doval; Benito Vasquez Dorrio; R. Soto; Jesus Blanco-Garcia; J. L. Fernandez; Mariano Perez-Amor; Benjamin Gonzalez Tejedor
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Paper Abstract

A novel artificial vision system with fully automatic operation that complements the results obtained by eddy current techniques in the inspection of heat exchanger tubes of nuclear power plants is presented. The system has a specifically developed fiberoptic probe based on a reflectometric principle that uses a linear array of optical fibers to form an image of the inner surface of the tubes, allowing the user to detect and measure defects opened to this surface. The system architecture, principle of measurement, main features and experimental results are presented.

Paper Details

Date Published: 9 November 1994
PDF: 11 pages
Proc. SPIE 2247, Sensors and Control for Automation, (9 November 1994); doi: 10.1117/12.193949
Show Author Affiliations
Jose Carlos Lopez Vazquez, Univ. de Vigo (Spain)
Angel F. Doval, Univ. de Vigo (Spain)
Benito Vasquez Dorrio, Univ. de Vigo (Spain)
R. Soto, Univ. de Vigo (Spain)
Jesus Blanco-Garcia, Univ. de Vigo (Spain)
J. L. Fernandez, Univ. de Vigo (Spain)
Mariano Perez-Amor, Univ. de Vigo (Spain)
Benjamin Gonzalez Tejedor, Tecnatom SA (Spain)

Published in SPIE Proceedings Vol. 2247:
Sensors and Control for Automation
Markus Becker; R. W. Daniel; Otmar Loffeld, Editor(s)

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