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Proceedings Paper

Compensation of fading effects of radiation-induced loss by multiple wavelengths measurements
Author(s): Harald Bueker; Friedrich Wolfgang Haesing; E. Gerhard
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Paper Abstract

The radiation induced loss of multimode lead glass fibers is measured during and after irradiation by a Co-60 source in the temperature range from 10 degree(s)C to 50 degree(s)C. The measurements were performed at visible and infrared LED wavelengths using time multiplexing of the LED's. The radiation sensitivity and relaxation effects of this fiber depend on temperature and on the wavelength of the read-out light. The wavelength dependence allows estimation of the actual fiber temperature. Thus a method can be developed to compensate temperature and fading effects on radiation induced loss in situations where the fiber temperature is unknown. The application of multiple wavelength measurements of induced loss for radiation dosimetry with optical fibers is discussed.

Paper Details

Date Published: 5 March 1993
PDF: 7 pages
Proc. SPIE 1795, Fiber Optic and Laser Sensors X, (5 March 1993); doi: 10.1117/12.141258
Show Author Affiliations
Harald Bueker, Research Ctr. Juelich (Germany)
Friedrich Wolfgang Haesing, Research Ctr. Juelich (Germany)
E. Gerhard, Univ. Duisburg (Germany)

Published in SPIE Proceedings Vol. 1795:
Fiber Optic and Laser Sensors X
Eric Udd; Ramon P. DePaula, Editor(s)

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