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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 23 — Aug. 10, 2008
  • pp: 4255–4261

Enhanced spontaneous Raman scattering and gas composition analysis using a photonic crystal fiber

Michael P. Buric, Kevin P. Chen, Joel Falk, and Steven D. Woodruff  »View Author Affiliations


Applied Optics, Vol. 47, Issue 23, pp. 4255-4261 (2008)
http://dx.doi.org/10.1364/AO.47.004255


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Abstract

Spontaneous gas-phase Raman scattering using a hollow-core photonic bandgap fiber (HC-PBF) for both the gas cell and the Stokes light collector is reported. It was predicted that the HC-PBF configuration would yield several hundred times signal enhancement in Stokes power over a traditional free-space configuration because of increased interaction lengths and large collection angles. Predictions were verified by using nitrogen Stokes signals. The utility of this system was demonstrated by measuring the Raman signals as functions of concentration for major species in natural gas. This allowed photomultiplier-based measurements of natural gas species in relatively short integration times, measurements that were previously difficult with other systems.

© 2008 Optical Society of America

OCIS Codes
(300.6450) Spectroscopy : Spectroscopy, Raman
(060.5295) Fiber optics and optical communications : Photonic crystal fibers

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: April 2, 2008
Revised Manuscript: July 9, 2008
Manuscript Accepted: July 11, 2008
Published: August 6, 2008

Citation
Michael P. Buric, Kevin P. Chen, Joel Falk, and Steven D. Woodruff, "Enhanced spontaneous Raman scattering and gas composition analysis using a photonic crystal fiber," Appl. Opt. 47, 4255-4261 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-23-4255

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