BEHAVIOR OF RADIATION-RESISTANT OPTICAL FIBERS UNDER IRRADIATION IN A FISSION REACTOR

被引：23

作者：

SHIKAMA, T

KAKUTA, T

NARUI, M

SAGAWA, T

SHAMOTO, N

URAMOTO, T

SANADA, K

KAYANO, H

机构：

[1] JAPAN ATOM ENERGY RES INST, TOKAI RES ESTAB, TOKAI, IBARAKI 31911, JAPAN

[2] JAPAN ATOM ENERGY RES INST, OARAI RES ESTAB, OARAI, IBARAKI 31113, JAPAN

[3] FUJIKURA CO LTD, SAKURA, CHIBA 285, JAPAN

来源：

JOURNAL OF NUCLEAR MATERIALS | 1994年 / 212卷

关键词：

D O I：

10.1016/0022-3115(94)90097-3

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Two kinds of optical fibers were irradiated in a fission reactor, JMTR (Japan Materials Testing Reactor), up to a 1.55 x 10(19) n/cm(2) fast neutron fluence and a 3.3 x 10(9) Gy ionizing dose at 370 K. Optical transmission spectra were measured in the wavelength range of 450-1750 nm, in situ. Growth of strong optical absorption bands and a peak were observed in the range of wavelength shorter than 750 nm. In the meantime, the fibers showed good radiation-resistance in the range of wavelength larger than 750 nm. Some optical radiation from the fibers was observed. The main cause of the optical radiation is thought to be so-called Cherenkov radiation.

引用

页码：421 / 425

页数：5

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