NDLI: Evaluation of solarization resistant optical fibers under gamma-ray irradiation and temperature stress

Content Provider	IEEE Xplore Digital Library
Author	Sporea, D. Sporea, A.
Copyright Year	2005
Description	Author affiliation: National Inst. for Lasers, Plasma & Radiat. Phys., Magurele, Romania (Sporea, D.; Sporea, A.)
Abstract	Five types of large diameter optical fibers (600 /spl mu/m and 1000 /spl mu/m core diameter) having either an enhanced UV transmission or being solarization resistant were subjected to gamma-ray irradiation, at a dose rate of 0.3 kGy/h /spl plusmn/ 5%, up to a total irradiation dose of 113 kGy, at room temperature. The radiation induced optical absorption in the UV-visible spectral range (200 nm - 450 nm) was monitored, off-line, for each irradiation steps. For some samples, after each irradiation a temperature stress was applied to investigate the thermal annealing of the optical absorption. The dynamics of the irradiation induced color centers was evaluated using a Gaussian deconvolution of the absorption spectra, in the UV spectral range. One of the solarization resistant optical fiber has a very good radiation resistance. This optical fiber loses its quality if it is heated prior to the irradiation. The amplitude and the location of the radiation induced optical attenuation peaks depend on the optical fiber type and the dimension of its core.
Starting Page	410
Ending Page	415
File Size	750547
Page Count	6
File Format	PDF
ISBN	0780389492
DOI	10.1109/WFOPC.2005.1462164
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-06-22
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical fibers Radiation monitoring Radiation effects Annealing Electromagnetic wave absorption Optical attenuators Optical materials Optical sensors Plasma temperature Thermal stresses
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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