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Optics Letters

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  • Vol. 12, Iss. 10 — Oct. 1, 1987
  • pp: 775–777

Time-division multiplexing of interferometric fiber sensors using passive phase-generated carrier interrogation

A. D. Kersey, A. Dandridge, and A. B. Tveten  »View Author Affiliations


Optics Letters, Vol. 12, Issue 10, pp. 775-777 (1987)
http://dx.doi.org/10.1364/OL.12.000775


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Abstract

The multiplexing and demodulation of interferometric sensors using a time-division/phase-generated carrier approach is described. The scheme uses slightly unbalanced interferometers and laser frequency modulation to effect the interrogation of the sensors, while the time-division multiplexing allows individual sensors to be addressed. Phase sensitivities of 20 μ rad / Hz and cross-talk levels of <−47 dB are demonstrated for a three-sensor network.

© 1987 Optical Society of America

History
Original Manuscript: May 4, 1987
Manuscript Accepted: July 9, 1987
Published: October 1, 1987

Citation
A. D. Kersey, A. Dandridge, and A. B. Tveten, "Time-division multiplexing of interferometric fiber sensors using passive phase-generated carrier interrogation," Opt. Lett. 12, 775-777 (1987)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-12-10-775


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References

  1. A. Dandridge, A. D. Kersey, “Signal processing for optical fiber sensors,” in Fiber Optic Sensors II, A. M. Scheggi, ed., Proc. Soc. Photo-Opt. Instrum. Eng.798 (to be published, 1987).
  2. I. P. Giles, D. Ultam, B. Culshaw, D. E. N. Davies, Electron. Lett. 19, 14 (1983). [CrossRef]
  3. J. L. Brooks, R. M. Wentworth, R. C. Youngquist, M. Tur, B. Y. Kim, M. J. Shaw, IEEE J. Lightwave Technol. LT-3, 1062 (1985). [CrossRef]
  4. J. P. Dakin, C. A. Wade, M. L. Henning, Electron. Lett. 20, 53 (1984). [CrossRef]
  5. J. L. Brooks, M. Tur, B. Y. Kim, K. A. Fester, H. J. Shaw, Opt. Lett. 11, 473 (1986). [CrossRef] [PubMed]
  6. J. L. Brooks, B. Y. Kim, M. Tur, H. J. Shaw, presented at the Conference on Laser and Fiber-Optic Sensors IV, Cambridge, Mass., September 1986.
  7. A. Dandridge, A. B. Tveten, A. D. Kersey, A. M. Yurek, IEEE J. Lightwave Technol. (to be published).
  8. A. Dandridge, A. B. Tveten, T. G. Giallorenzi, IEEE J. Quantum Electron. QE-18, 1647 (1982). [CrossRef]
  9. A. Dandridge, A. B. Tveten, Appl. Phys. Lett 39, 530 (1981). [CrossRef]

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