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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 29, Iss. 11 — Nov. 1, 2012
  • pp: 3006–3009

Fabrication method of small-diameter hollow waveguides for terahertz waves

Shunsuke Sato, Takashi Katagiri, and Yuji Matsuura  »View Author Affiliations


JOSA B, Vol. 29, Issue 11, pp. 3006-3009 (2012)
http://dx.doi.org/10.1364/JOSAB.29.003006


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Abstract

To develop a thin and flexible hollow waveguide for terahertz (THz) waves that can be applied to endoscopic applications, a new (to our knowledge) fabrication method is proposed in which thin polymer tubing is first drawn and then a silver layer is formed on the outside of the tubing. By using this method, a thick dielectric layer, which was difficult to form by liquid-phase deposition, is easily obtained with high accuracy in the thickness. A transmission loss at 1.5 THz measured by a Fourier transform IR spectrometer was 3.0 dB for a 50 cm long, 1 mm inner-diameter waveguide. It is shown that the transmission losses are not affected by the bending of the waveguide when the bending radius is larger than around 10 cm.

© 2012 Optical Society of America

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.2390) Fiber optics and optical communications : Fiber optics, infrared
(300.6495) Spectroscopy : Spectroscopy, teraherz

ToC Category:
Spectroscopy

History
Original Manuscript: July 13, 2012
Revised Manuscript: September 4, 2012
Manuscript Accepted: September 11, 2012
Published: October 3, 2012

Citation
Shunsuke Sato, Takashi Katagiri, and Yuji Matsuura, "Fabrication method of small-diameter hollow waveguides for terahertz waves," J. Opt. Soc. Am. B 29, 3006-3009 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-11-3006

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