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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 23 — Nov. 13, 2006
  • pp: 11036–11042

Local structure analyses around Er3+ in Er-doped fiber with Al co-doping

Tetsuya Haruna, Junji Iihara, Koji Yamaguchi, Yoshihiro Saito, Shinji Ishikawa, Masashi Onishi, and Takahiro Murata  »View Author Affiliations

Optics Express, Vol. 14, Issue 23, pp. 11036-11042 (2006)

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The local structure around Er3+ in Er-doped optical fiber (EDFs) was explored by X-ray absorption fine structure (XAFS) measurements. Using several new approaches such as a novel sample preparation, we successfully measured the XAFS. The intensities near the 8.36 keV peaks were observed for the first time using X-ray Absorption Near Edge Structure (XANES) analysis. The intensities increased in the order of Er, Er2O3, and EDF samples, indicating that Er3+ in the EDFs existed as an oxide state. Extend X-ray Absorption Fine Structure (EXAFS) analysis also showed that the oxygen coordination number of Er3+ increased as the Al concentration increased and that the Er-O distances of EDF with Al codoping is longer than that of EDF without Al co-doping.

© 2006 Optical Society of America

OCIS Codes
(060.2290) Fiber optics and optical communications : Fiber materials
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: February 21, 2006
Revised Manuscript: May 29, 2006
Manuscript Accepted: June 25, 2006
Published: November 13, 2006

Tetsuya Haruna, Junji Iihara, Koji Yamaguchi, Yoshihiro Saito, Shinji Ishikawa, Masashi Onishi, and Takahiro Murata, "Local structure analyses around Er3+ in Er-doped fibers with Al co-doping," Opt. Express 14, 11036-11042 (2006)

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