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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 36, Iss. 23 — Dec. 1, 2011
  • pp: 4482–4484

Single S-tapered fiber Mach–Zehnder interferometers

Rui Yang, Yong-Sen Yu, Yang Xue, Chao Chen, Qi-Dai Chen, and Hong-Bo Sun  »View Author Affiliations

Optics Letters, Vol. 36, Issue 23, pp. 4482-4484 (2011)

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A fiber Mach–Zehnder interferometer (MZI) sensor, novel to our knowledge, based on a single “S”-like fiber taper has been fabricated via applying nonaxial pull in fiber tapering by a fusion splicer. The typical feature size of the structure has a length of 660 μm and the axial offset of 96 μm . This S fiber taper MZI has a refractive index (RI) sensitivity of 1590 nm / refractive index unit in the RI range of 1.409–1.425 and a strain sensitivity of about 60 pm / microstrain , which is 30 times higher than that of the normal two-taper-based MZI sensors.

© 2011 Optical Society of America

OCIS Codes
(060.2300) Fiber optics and optical communications : Fiber measurements
(060.2370) Fiber optics and optical communications : Fiber optics sensors

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: September 1, 2011
Revised Manuscript: October 5, 2011
Manuscript Accepted: October 14, 2011
Published: November 18, 2011

Rui Yang, Yong-Sen Yu, Yang Xue, Chao Chen, Qi-Dai Chen, and Hong-Bo Sun, "Single S-tapered fiber Mach–Zehnder interferometers," Opt. Lett. 36, 4482-4484 (2011)

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