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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 15 — May. 20, 2008
  • pp: 2790–2797

Dynamics of gas flow in hollow core photonic bandgap fibers

Jes Henningsen and Jan Hald  »View Author Affiliations


Applied Optics, Vol. 47, Issue 15, pp. 2790-2797 (2008)
http://dx.doi.org/10.1364/AO.47.002790


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Abstract

The dynamics of gas flow in a hollow core photonic bandgap fiber is studied over four decades of pressure covering free molecular flow as well as hydrodynamic flow. Expressions are derived that allow for determination of the pressure inside the fiber as a function of time and position in the limits of Knudsen number K n 1 and K n 1 . The expressions, which are validated by using absorption lines of acetylene as probes of the pressure inside the fiber, provide a straightforward way of predicting the temporal response for gas sensors of any fiber geometry.

© 2008 Optical Society of America

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.4005) Fiber optics and optical communications : Microstructured fibers
(280.4788) Remote sensing and sensors : Optical sensing and sensors
(060.5295) Fiber optics and optical communications : Photonic crystal fibers

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: February 1, 2008
Manuscript Accepted: April 11, 2008
Published: May 13, 2008

Citation
Jes Henningsen and Jan Hald, "Dynamics of gas flow in hollow core photonic bandgap fibers," Appl. Opt. 47, 2790-2797 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-15-2790

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