SYMPOSIA PAPER Published: 01 January 1999
STP13921S

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

Source

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.

Author Information

Shikama, T
Institute for Materials Research, Tohoku University, Oarai, Ibarakiken, Japan
Kakuta, T
Tokai Research Establishment, Japan Atomic Energy Research Institute, Ibarakiken
Narui, M
Institute for Materials Research, Tohoku University, Oarai, Ibarakiken, Japan
Sagawa, T
Oarai Research Establishment, Japan Atomic Energy Research Institute, Ibarakiken, Japan
Jensen, BFH
Department of Engineering, University of Tokyo, Tokyo, Japan
Nakazawa, S
Department of Engineering, University of Tokyo, Tokyo, Japan
Kayano, H
Institute for Materials Research, Tohoku University, Oarai, Ibarakiken, Japan
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Developed by Committee: E10
Pages: 1077–1086
DOI: 10.1520/STP13921S
ISBN-EB: 978-0-8031-5395-0
ISBN-13: 978-0-8031-2614-5