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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 20 — Jul. 10, 2012
  • pp: 4715–4721

Refractive index and temperature sensitivity characteristics of a micro-slot fiber Bragg grating

Pouneh Saffari, Zhijun Yan, Kaiming Zhou, and Lin Zhang  »View Author Affiliations


Applied Optics, Vol. 51, Issue 20, pp. 4715-4721 (2012)
http://dx.doi.org/10.1364/AO.51.004715


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Abstract

Fabrication and characterization of a UV inscribed fiber Bragg grating (FBG) with a micro-slot liquid core is presented. Femtosecond (fs) laser patterning/chemical etching technique was employed to engrave a micro-slot with dimensions of 5.74μm(h)×125μm(w)×1388.72μm(l) across the whole grating. The device has been evaluated for refractive index (RI) and temperature sensitivities and exhibited distinctive thermal response and RI sensitivity beyond the detection limit of reported fiber gratings. This structure has not just been RI sensitive, but also maintained the robustness comparing with the bare core FBGs and long-period gratings with the partial cladding etched off.

© 2012 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings

ToC Category:
Diffraction and Gratings

History
Original Manuscript: March 21, 2012
Revised Manuscript: June 5, 2012
Manuscript Accepted: June 5, 2012
Published: July 9, 2012

Citation
Pouneh Saffari, Zhijun Yan, Kaiming Zhou, and Lin Zhang, "Refractive index and temperature sensitivity characteristics of a micro-slot fiber Bragg grating," Appl. Opt. 51, 4715-4721 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-20-4715

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