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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 35 — Dec. 10, 2009
  • pp: 6765–6769

Fabrication and characterization of infrared hollow fiber with multi- SiO 2 and AgI inner-coating layers

Xiao Lin, Yi-Wei Shi, Ke-Rong Sui, Xiao-Song Zhu, Katsumasa Iwai, and Mitsunobu Miyagi  »View Author Affiliations

Applied Optics, Vol. 48, Issue 35, pp. 6765-6769 (2009)

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We report the transmission characteristics of infrared hollow fiber with multi- AgI and SiO 2 inner- coating layers in the mid-infrared region. A three-dielectric-layer hollow glass fiber with a SiO2–AgI–SiO2–Ag structure was fabricated and low-loss property was obtained in the mid-infrared region. The SiO 2 films were coated by use of the liquid-phase coating method and a semi-inorganic polymer was used as the coating material. For deposition of the AgI film between the two SiO 2 films, a silver film was first plated by use of the silver mirror reaction method. Then the iodination process was conducted to turn the silver layer into silver iodide. A calculation method was also developed to estimate the film thickness of dielectric layers in each fabrication step according to the position of loss peaks in the measured loss spectra. Good agreement between calculated and measured loss spectra was demonstrated by taking into consideration material dispersion and surface roughness of inner-coating films.

© 2009 Optical Society of America

OCIS Codes
(040.6040) Detectors : Silicon
(060.2390) Fiber optics and optical communications : Fiber optics, infrared
(160.5470) Materials : Polymers
(230.4170) Optical devices : Multilayers
(260.2030) Physical optics : Dispersion

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: July 8, 2009
Revised Manuscript: November 3, 2009
Manuscript Accepted: November 5, 2009
Published: December 3, 2009

Xiao Lin, Yi-Wei Shi, Ke-Rong Sui, Xiao-Song Zhu, Katsumasa Iwai, and Mitsunobu Miyagi, "Fabrication and characterization of infrared hollow fiber with multi- SiO2 and AgI inner-coating layers," Appl. Opt. 48, 6765-6769 (2009)

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