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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 3, Iss. 4 — Apr. 23, 2008

Mid-infrared gas sensing using a photonic bandgap fiber

Nicolas Gayraud, Łukasz W. Kornaszewski, James M. Stone, Jonathan C. Knight, Derryck T. Reid, Duncan P. Hand, and William N. MacPherson  »View Author Affiliations


Applied Optics, Vol. 47, Issue 9, pp. 1269-1277 (2008)
http://dx.doi.org/10.1364/AO.47.001269


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Abstract

We demonstrate methane sensing based on Fourier transform infrared spectroscopy using a hollow-core photonic bandgap fiber guiding in the mid-infrared and idler pulses from a femtosecond optical parametric oscillator. Transmission measurements are presented for several fibers, and sensing is demonstrated using a fiber whose bandgap overlaps the methane fundamental absorption lines. The gas filling process of the air core is described, and qualitative methane concentrations measurements to 1000 ppm (parts in 10 6 ) are reported. Operation down to 50 ppm based on our current experiment is predicted.

© 2008 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.2390) Fiber optics and optical communications : Fiber optics, infrared
(300.1030) Spectroscopy : Absorption
(300.6340) Spectroscopy : Spectroscopy, infrared
(060.5295) Fiber optics and optical communications : Photonic crystal fibers

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: September 6, 2007
Revised Manuscript: January 15, 2008
Manuscript Accepted: January 29, 2008
Published: March 18, 2008

Virtual Issues
Vol. 3, Iss. 4 Virtual Journal for Biomedical Optics

Citation
Nicolas Gayraud, Łukasz W. Kornaszewski, James M. Stone, Jonathan C. Knight, Derryck T. Reid, Duncan P. Hand, and William N. MacPherson, "Mid-infrared gas sensing using a photonic bandgap fiber," Appl. Opt. 47, 1269-1277 (2008)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-47-9-1269

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