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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 14 — Jul. 15, 2007
  • pp: 1974–1976

Optical flowmeter using a modal interferometer based on a single nonadiabatic fiber taper

O. Frazão, P. Caldas, F. M. Araújo, L. A. Ferreira, and J. L. Santos  »View Author Affiliations


Optics Letters, Vol. 32, Issue 14, pp. 1974-1976 (2007)
http://dx.doi.org/10.1364/OL.32.001974


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Abstract

A novel in-fiber modal interferometer is presented that is based on a nonadiabatic biconical fused taper that couples light between the cladding and the core, combined with the Fresnel reflection at the fiber end. It is observed that the returned light from this fiber structure shows a channeled spectrum similar to that of a two-wave Michelson interferometer. The application of this device as a fiber optic flowmeter sensor is demonstrated.

© 2007 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.3180) Instrumentation, measurement, and metrology : Interferometry

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: March 22, 2007
Revised Manuscript: May 4, 2007
Manuscript Accepted: May 10, 2007
Published: July 3, 2007

Citation
O. Frazão, P. Caldas, F. M. Araújo, L. A. Ferreira, and J. L. Santos, "Optical flowmeter using a modal interferometer based on a single nonadiabatic fiber taper," Opt. Lett. 32, 1974-1976 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-14-1974


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References

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