STP1325

    In-Situ Radio-Luminescence from Sapphires Under Fission Reactor Irradiation

    Published: Jan 1999


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    Abstract

    Radio-luminescence from the sapphire was detected in-situ under the reactor irradiation using the silica core optical fiber. The radio-luminescence peaks at 420, 690, and 860nm, and broad band in 700–1200nm were identified. However, these radio-luminescence peaks and band became obscure as the reactor power went up, due to the increase of the specimen temperatures and to the interference of the strong radio-luminescence from the silica core optical fiber itself. The effect of the applied electric field on the radio-luminescence was studied. Change was observed due to the electric field but it was very small. Further study and a better-controlled experiments will be needed to clarify the effect.

    Keywords:

    sapphire, radio-luminescence, in-situ measurement, reactor irradiation, electric field


    Author Information:

    Shikama, T
    Associate Professor, Research Associate, Professor, Institute for Materials Research, Tohoku University, Oarai, Ibarakiken,

    Kakuta, T
    Researcher, Tokai Research Establishment, Japan Atomic Energy Research Institute, Ibarakiken,

    Narui, M
    Associate Professor, Research Associate, Professor, Institute for Materials Research, Tohoku University, Oarai, Ibarakiken,

    Sagawa, T
    Technical Staff, Oarai Research Establishment, Japan Atomic Energy Research Institute, Ibarakiken,

    Jensen, BFH
    Doctor Student, Professor, Department of Engineering, University of Tokyo, Tokyo,

    Nakazawa, S
    Doctor Student, Professor, Department of Engineering, University of Tokyo, Tokyo,

    Kayano, H
    Associate Professor, Research Associate, Professor, Institute for Materials Research, Tohoku University, Oarai, Ibarakiken,


    Paper ID: STP13921S

    Committee/Subcommittee: E10.07

    DOI: 10.1520/STP13921S


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