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Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 20 — Oct. 15, 2006
  • pp: 2960–2962

Optical inclinometer based on a single long-period fiber grating combined with a fused taper

O. Frazão, R. Falate, J. L. Fabris, J. L. Santos, L. A. Ferreira, and F. M. Araújo  »View Author Affiliations


Optics Letters, Vol. 31, Issue 20, pp. 2960-2962 (2006)
http://dx.doi.org/10.1364/OL.31.002960


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Abstract

A new concept to measure rotation angles based on a fiber-optic modal Mach–Zehnder interferometer is demonstrated by using a nonadiabatic taper cascaded with a long-period fiber grating. Information about the magnitude of the rotation angle can be obtained from the measurement of the interference pattern visibility, and under certain conditions it is also possible to obtain the sign of the rotation angle from the induced phase variation in the fiber interferometer.

© 2006 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.2370) Fiber optics and optical communications : Fiber optics sensors

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: May 24, 2006
Revised Manuscript: July 14, 2006
Manuscript Accepted: July 21, 2006
Published: September 25, 2006

Citation
O. Frazão, R. Falate, J. L. Fabris, J. L. Santos, L. A. Ferreira, and F. M. Araújo, "Optical inclinometer based on a single long-period fiber grating combined with a fused taper," Opt. Lett. 31, 2960-2962 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-20-2960


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