Birefringence in optical fibers formed by proton implantation

Seung Jun Yu, Masahiro Suzuki, Yoshimichi Ohki, Makoto Fujimaki*, Kouichi Awazu, Eisuke Yamaguchi, Satoshi Okude

*この研究の対応する著者

研究成果: Article査読

10 被引用数 (Scopus)

抄録

Birefringence can be induced in silica-based optical fibers by ion implantation. In the present research, protons were implanted in single-mode optical fibers with two different energies, one being the energy with which the protons can just reach the center of the optical fiber core and the other being a slightly lower energy. The degree of birefringence was evaluated by measuring reflection spectra of Bragg gratings formed at the proton-implanted region of the optical fibers. The results confirmed that birefringence is induced by unidirectional densification along the projected range of protons formed in the fiber core and by densification of the fiber cladding. The induced birefringence reached three to ten times higher than that of a conventional birefringent fiber. The birefringence caused by ion implantation can be a versatile tool for manufacturing various optical fiber devices.

本文言語English
ページ(範囲)490-494
ページ数5
ジャーナルNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
265
2
DOI
出版ステータスPublished - 2007 12月

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学
  • 器械工学

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