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Optics Letters

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  • Vol. 26, Iss. 11 — Jun. 1, 2001
  • pp: 774–776

Sampled fiber Bragg grating for simultaneous refractive-index and temperature measurement

Xuewen Shu, Bashir A. L. Gwandu, Yu Liu, Lin Zhang, and Ian Bennion  »View Author Affiliations


Optics Letters, Vol. 26, Issue 11, pp. 774-776 (2001)
http://dx.doi.org/10.1364/OL.26.000774


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Abstract

We present a novel scheme for simultaneous measurement of temperature and refractive index by use of a single sampled fiber Bragg grating (SFBG). The intrinsic nature of a SFBG that possesses both fiber Bragg grating and long-period grating spectral responses permits the temperature effect to the measured solely from the former, whereas the refractive-index information is extracted from the latter. Using such a dual-parameter sensor, we successfully demonstrated measurement of the dependence on temperature of the refractive index of an aqueous solution of sucrose.

© 2001 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2370) Fiber optics and optical communications : Fiber optics sensors

Citation
Xuewen Shu, Bashir A. L. Gwandu, Yu Liu, Lin Zhang, and Ian Bennion, "Sampled fiber Bragg grating for simultaneous refractive-index and temperature measurement," Opt. Lett. 26, 774-776 (2001)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-26-11-774


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References

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