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Metal Coated Fibers for Use in the Radiation Environment

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2 Author(s)
Blair, G.R. ; Hughes Research Laboratories 3011 Malibu Canyon Road Malibu, California 90265 ; Tangonan, G.L.

Optical fibers are being considered for uses where they will be subjected to high radiation fields and elevated temperatures simultaneously. This paper describes a fiber which is aluminum jacketed, and may hence be heated to 550°C. When heated to 550°C and subjected to 30 Krads of gamma rays from 60Co, the fiber sustained 1/10 the normal room temperature damage. Thermolumnescence testing and spectral absorption studies indicate that even at 550°C there are many deep lying traps still present in the silica which serve as signal absorption centers.

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Nuclear Science, IEEE Transactions on  (Volume:29 ,  Issue: 6 )