Effect of temperature and irradiation on fused silica optical fiber for temperature measurement

A. Honda, K. Toh, S. Nagata, B. Tsuchiya, T. Shikama

研究成果: Article査読

15 被引用数 (Scopus)

抄録

The thermal radiation and luminescence of fused silica-core optical fibers with cores that are pure or doped with moderate and large amounts of fluorine was measured at elevated temperature with and without Co-60 γ-ray irradiation to study the effect of temperature and irradiation on the optical fibers. In the temperature range up to 1000 °C, peaks from OH were observed in all fibers and the intensity was temperature dependent. When the temperature of F-doped fibers was kept at 1000 °C, unexpected peaks appeared and grew. As a result, the peaks from OH could not be observed either with or without irradiation. In the case of pure fiber, thermal radiation increased as the elapsed time increased and the intensity with irradiation was much larger than that without irradiation. However, peaks from OH could be identified clearly and discriminated from the thermal radiation. The pure fiber is a promising temperature sensor.

本文言語English
ページ(範囲)1117-1121
ページ数5
ジャーナルJournal of Nuclear Materials
367-370 B
SPEC. ISS.
DOI
出版ステータスPublished - 2007 8月 1

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学
  • 材料科学(全般)
  • 原子力エネルギーおよび原子力工学

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