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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 24 — Nov. 26, 2007
  • pp: 15848–15853

A refractometer based on a micro-slot in a fiber Bragg grating formed by chemically assisted femtosecond laser processing

Kaiming Zhou, Yicheng Lai, Xianfeng Chen, Kate Sugden, Lin Zhang, and Ian Bennion  »View Author Affiliations


Optics Express, Vol. 15, Issue 24, pp. 15848-15853 (2007)
http://dx.doi.org/10.1364/OE.15.015848


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Abstract

A liquid core waveguide as a refractometer is proposed. Microtunnels were created in standard optical fiber using tightly focused femtoscond laser inscription and chemical etching. A 1.2(h)×125(d)×500(l) µm micro-slot engraved along a fiber Bragg grating (FBG) was used to construct liquid core waveguide by filling the slot with index matching oils. The device was used to measure refractive index and sensitivity up to 10-6/pm was obtained.

© 2007 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(140.3440) Lasers and laser optics : Laser-induced breakdown
(160.2750) Materials : Glass and other amorphous materials
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: October 3, 2007
Revised Manuscript: November 12, 2007
Manuscript Accepted: November 13, 2007
Published: November 15, 2007

Citation
Kaiming Zhou, Yicheng Lai, Xianfeng Chen, Kate Sugden, Lin Zhang, and Ian Bennion, "A refractometer based on a micro-slot in a fiber Bragg grating formed by chemically assisted femtosecond laser processing," Opt. Express 15, 15848-15853 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-24-15848


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References

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