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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 22, Iss. 17 — Sep. 1, 1997
  • pp: 1362–1364

Grating sensor array demodulation by use of a passively mode-locked fiber laser

Michael L. Dennis, Martin A. Putnam, Jin U. Kang, Tsung-Ein Tsai, Irl N. Duling III, and E. Joseph Friebele  »View Author Affiliations


Optics Letters, Vol. 22, Issue 17, pp. 1362-1364 (1997)
http://dx.doi.org/10.1364/OL.22.001362


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Abstract

A fiber Bragg grating sensor array is interrogated by use of a passively mode-locked fiber laser source. A novel demodulation scheme that uses highly dispersive fiber to convert the grating wavelength shift to a temporal shift in the arrival time of the reflected pulses is demonstrated. The source bandwidth of >85 nm permits interrogation of many-grating arrays, and the demodulation technique permits fast sensing of large strains.

© 1997 Optical Society of America

Citation
Michael L. Dennis, Martin A. Putnam, Jin U. Kang, Tsung-Ein Tsai, Irl N. Duling III, and E. Joseph Friebele, "Grating sensor array demodulation by use of a passively mode-locked fiber laser," Opt. Lett. 22, 1362-1364 (1997)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-22-17-1362

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