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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 16, Iss. 2 — Feb. 1, 1998
  • pp: 218–

Optimization of Large-Scale Fiber Sensor Arrays Incorporating Multiple Optical Amplifiers--Part I: Signal-to-Noise Ratio

Craig W. Hodgson, Jefferson L. Wagener, Michel J. F. Digonnet, Herbert J. Shaw, and Life Fellow

Journal of Lightwave Technology, Vol. 16, Issue 2, pp. 218- (1998)


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Abstract

We report on optimizing the signal-to-noise ratio (SNR) of large-scale fiber sensor arrays employing erbium-doped fiber amplifier (EDFA) telemetry with respect to the number of sensors per rung, the number of amplifiers per array, and the coupling ratio between the fiber buses and the rungs. Broad optimum regions are found, providing design flexibility to minimize pump power requirements. Simulations predict that 300 sensors can be multiplexed on a fiber pair while maintaining a high sensitivity (1 {\mu}rad/{{\sqrt{{{Hz}}}}}) for all sensors with a moderate input pump power (<1 W).

[IEEE ]

Citation
Craig W. Hodgson, Jefferson L. Wagener, Michel J. F. Digonnet, Herbert J. Shaw, and Life Fellow, "Optimization of Large-Scale Fiber Sensor Arrays Incorporating Multiple Optical Amplifiers--Part I: Signal-to-Noise Ratio," J. Lightwave Technol. 16, 218- (1998)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-16-2-218


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References

  1. J. L. Wagener, C. W. Hodgson, M. J. F. Digonnet, and H. J. Shaw, "Novel fiber sensor array using erbium-doped fiber amplifiers," J. Lightwave Technol., vol. 15, pp. 1681-1688, Sept. 1997.
  2. C. W. Hodgson, M. J. F. Digonnet, and H. J. Shaw, "Large-scale interferometric fiber sensor arrays with multiple optical amplifiers," Opt. Lett., vol. 22, pp. 1651-1653, Nov. 1997.
  3. J. L. Brooks, B. Moslehi, B. Y. Kim, and H. J. Shaw, "Time domain addressing of remote fiber optic interferometric sensor arrays," J. Lightwave Technol., vol. 5, pp. 1014-1023, July 1987.

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