Effect of cladding material on 2-eV optical absorption in pure-Silica core fibers and method to suppress the absorption

Kaya Nagasawa, Ryoichi Tohmon, Yoshimichi Ohki

研究成果査読

23 被引用数 (Scopus)

抄録

The growth of 2-eV optical absorption induced by γ-ray irradiation is larger in pure-silica core fibers with a dopedglass cladding than in the fibers with a silicone cladding, regardless of the manufacturing process. Precursors of nonbridging oxygen hole centers which abundantly exist at the core/cladding interface of the glass-cladding fibers are responsible for the difference in the absorption. A combined-treatment of hydrogen and γ-ray irradiation can remove these precursors and suppress the absorption.

本文言語English
ページ(範囲)148-151
ページ数4
ジャーナルJapanese journal of applied physics
26
1 R
DOI
出版ステータスPublished - 1987 1

ASJC Scopus subject areas

  • 工学(全般)
  • 物理学および天文学(全般)

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