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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Editor: Zhizhan Xu
  • Vol. 12, Iss. 7 — Jul. 1, 2014
  • pp: 070602–

Hybrid Mach-Zehnder interferometric sensor based on two core-of fset attenuators and an abrupt taper in single-mode fiber

Le Xu, Weina Han, Peng Wang, and Sumei Wang  »View Author Affiliations


Chinese Optics Letters, Vol. 12, Issue 7, pp. 070602- (2014)


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Abstract

This study proposes a new hybrid Mach-Zehnder interferometric (MZI) sensor based on two core-offset attenuators and an abrupt taper in a single-mode fiber fabricated by a fiber-taper machine and electric arc discharge. When the distance between the two core-offset attenuators is stretched to 4500 mm, significant interference signals are detected with a prominent attenuation peak of ~28 dB. The proposed MZI can be used to measure temperature due to its low refractive index (RI) and strain cross-sensitivity. The temperature sensitivity is 34.95+(-)0.04 and 106.70+(-)0.04 pm/oC in the temperature ranges of 14-250 and 250-1000 oC, respectively.

© 2014 Chinese Optics Letters

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.2370) Fiber optics and optical communications : Fiber optics sensors

ToC Category:
Fiber Optics and Optical Communications

Citation
Le Xu, Weina Han, Peng Wang, and Sumei Wang, "Hybrid Mach-Zehnder interferometric sensor based on two core-of fset attenuators and an abrupt taper in single-mode fiber," Chin. Opt. Lett. 12, 070602- (2014)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-12-7-070602


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