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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 1 — Jan. 1, 2012
  • pp: 1–7

AgI-coated silver-clad stainless steel hollow waveguides for infrared lightwave transmission and their applications

Akihito Hongo, Shinobu Sato, Akio Hattori, Katsumasa Iwai, Takaku, Hiroyuki, and Mitsunobu Miyagi  »View Author Affiliations

Applied Optics, Vol. 51, Issue 1, pp. 1-7 (2012)

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We fabricated silver iodide (AgI)-coated silver hollow waveguides to transmit a wide range of infrared (IR) light. Silver-clad stainless steel pipes were used as a supporting pipe. Since this type of metallic hollow waveguide has high mechanical strength and heat resistance, it is suitable as a rigid lightwave probe for various applications such as dental or medical laser treatment, IR spectroscopy, thermal radiometry, and laser processing. Considering these applications, we estimated the hollow waveguides with different thicknesses of the AgI layer. By optimizing the AgI layer thickness according to the wavelength of propagating light, we succeeded in efficiently transmitting Er-YAG and CO 2 laser light. We also studied the optical characteristics of a wide range of incoherent light for IR spectroscopy and radiometry applications using these metallic hollow waveguides as lightwave probes.

© 2012 Optical Society of America

OCIS Codes
(060.2390) Fiber optics and optical communications : Fiber optics, infrared
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(170.0170) Medical optics and biotechnology : Medical optics and biotechnology
(230.7370) Optical devices : Waveguides
(300.6340) Spectroscopy : Spectroscopy, infrared

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: June 29, 2011
Manuscript Accepted: August 1, 2011
Published: December 22, 2011

Akihito Hongo, Shinobu Sato, Akio Hattori, and Katsumasa Iwai, "AgI-coated silver-clad stainless steel hollow waveguides for infrared lightwave transmission and their applications," Appl. Opt. 51, 1-7 (2012)

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