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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 21 — Oct. 12, 2009
  • pp: 18533–18542

Exposed-core microstructured optical fibers for real-time fluorescence sensing

Stephen C. Warren-Smith, Heike Ebendorff-Heidepriem, Tze Cheung Foo, Roger Moore, Claire Davis, and Tanya M. Monro  »View Author Affiliations


Optics Express, Vol. 17, Issue 21, pp. 18533-18542 (2009)
http://dx.doi.org/10.1364/OE.17.018533


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Abstract

New methods for fabricating glass exposed-core microstructured optical fiber are demonstrated. The fiber designs consist of an optical fiber with a suspended micron-scale core that is partially exposed to the external environment, which is particularly useful for sensing. These fibers allow for strong evanescent field interactions with the surrounding media due to the small core size, while also providing the potential for real-time and distributed measurements. The experimental performance of an exposed-core fiber is compared to an equivalent microstructured fiber with an enclosed (protected) core in terms of their performance as evanescent field sensors. We demonstrate that the exposed-core fiber can provide a significantly improved measurement response time.

© 2009 OSA

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(300.2530) Spectroscopy : Fluorescence, laser-induced
(060.4005) Fiber optics and optical communications : Microstructured fibers

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: August 17, 2009
Revised Manuscript: September 17, 2009
Manuscript Accepted: September 24, 2009
Published: September 29, 2009

Citation
Stephen C. Warren-Smith, Heike Ebendorff-Heidepriem, Tze Cheung Foo, Roger Moore, Claire Davis, and Tanya M. Monro, "Exposed-core microstructured optical fibers for real-time fluorescence sensing," Opt. Express 17, 18533-18542 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-21-18533


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References

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