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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 10 — Apr. 1, 2008
  • pp: 1549–1552

Long-period prating fabricated by periodically tapering standard single-mode fiber

Li-Yang Shao, Jian Zhao, Xinyong Dong, H. Y. Tam, C. Lu, and Sailing He  »View Author Affiliations


Applied Optics, Vol. 47, Issue 10, pp. 1549-1552 (2008)
http://dx.doi.org/10.1364/AO.47.001549


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Abstract

We fabricated an asymmetric long-period grating (LPG) by periodically tapering a section of standard single-mode fiber using a resistive filament heating. The LPG exhibits large peak transmission attenuation of 30.31 dB with only 22 periods in a 1.0 cm long optical fiber and possesses unique characteristics for sensing applications. The bending and strain sensitivities are 1.74 nm m and 1.11 pm/ με , respectively. The polarization dependent loss is large, up to 11.65 dB , which is caused by an asymmetric index profile in the cross section of the tapered LPG.

© 2008 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.2340) Fiber optics and optical communications : Fiber optics components
(060.2370) Fiber optics and optical communications : Fiber optics sensors

ToC Category:
Diffraction and Gratings

History
Original Manuscript: December 17, 2007
Revised Manuscript: February 26, 2008
Manuscript Accepted: March 4, 2008
Published: March 28, 2008

Citation
Li-Yang Shao, Jian Zhao, Xinyong Dong, H. Y. Tam, C. Lu, and Sailing He, "Long-period grating fabricated by periodically tapering standard single-mode fiber," Appl. Opt. 47, 1549-1552 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-10-1549

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