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Optics Letters

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  • Vol. 27, Iss. 16 — Aug. 15, 2002
  • pp: 1382–1384

Porous solgel fiber as a transducer for highly sensitive chemical sensing

Shiquan Tao, Christopher B. Winstead, Jagdish P. Singh, and Rajeev Jindal  »View Author Affiliations


Optics Letters, Vol. 27, Issue 16, pp. 1382-1384 (2002)
http://dx.doi.org/10.1364/OL.27.001382


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Abstract

A novel solgel process for making porous silica fiber and doping the fiber core with sensing material is described. A CoCl2 -doped solgel fiber was fabricated and was used to construct an active-core optical fiber moisture sensor. Test results show that the sensitivity of the active-core optical fiber sensor is much higher than that of an evanescent-wave-based optical fiber sensor.

© 2002 Optical Society of America

OCIS Codes
(000.1570) General : Chemistry
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(160.6060) Materials : Solgel

Citation
Shiquan Tao, Christopher B. Winstead, Jagdish P. Singh, and Rajeev Jindal, "Porous solgel fiber as a transducer for highly sensitive chemical sensing," Opt. Lett. 27, 1382-1384 (2002)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-27-16-1382


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References

  1. K. T. V. Grattan and B. T. Meggitt, eds., Chemical and Environmental Sensing, Vol. 4 of Optical Fiber Sensor Technology (Kluwer Academic, Dordrecht, The Netherlands, 1999).
  2. A. Messica, A. Greenstein, and A. Katzir, Appl. Opt. 35, 2274 (1996).
  3. Q. Zhou, M. R. Shahriari, D. Kritz, and G. H. Sigel, Anal. Chem. 60, 2317 (1988).
  4. G. E. Badini, K. T. V. Grattan, and A. C. C. Tseung, Rev. Sci. Instrum. 66, 4034 (1995).
  5. D. S. Ballantine and H. Wohltjen, Anal. Chem. 58, 2833 (1986).
  6. R. Jindal, S. Tao, J. P. Singh, and P. S. Gaikwad, Proc. SPIE 4578, 314 (2002).

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