Abstract

A scheme for expanding the channel count of a fiber Bragg grating (FBG) strain sensor system is proposed. The scheme uses gratings with an inscribed carrier frequency and is completely compatible with existing wavelength-division multiplexing (WDM) and time-division multiplexing (TDM) architectures. Experimental simulations based on the model presented show the successful extension of an eight-channel WDM architecture to a 7WDM-by-8Harmonic-Domain architecture,having a flat error profile of ~2.9 µ\epsilon at a sampling rate of 20 kHz and an update rate of 1.3 Hz.

© 2005 IEEE

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  1. D. A. Jackson, L. A. Lobo Ribeiro, L. Reekie and J. A. Archambault, "Opt. Lett.", vol. 18, pp. 1192-1195, 1993.
  2. A. D. Kersey, A. Dandridge and M. A. Davis, "Electron. Lett.", vol. 28, pp. 351-352, 1992.
  3. C. Z. Shi, C. C. Chan, W. J. Jin, Y. B. Liao, Y. Zhou and M. S. Demokan, "Sens. Actuators, Phys.: A", vol. 107, pp. 57-61, 2003.
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Other (6)

D. A. Jackson, L. A. Lobo Ribeiro, L. Reekie and J. A. Archambault, "Opt. Lett.", vol. 18, pp. 1192-1195, 1993.

A. D. Kersey, A. Dandridge and M. A. Davis, "Electron. Lett.", vol. 28, pp. 351-352, 1992.

C. Z. Shi, C. C. Chan, W. J. Jin, Y. B. Liao, Y. Zhou and M. S. Demokan, "Sens. Actuators, Phys.: A", vol. 107, pp. 57-61, 2003.

A. D. Kersey, T. A. Berkoff and W. W. Morey, "Opt. Lett.", vol. 18, p. 1370, 1993.

G. Meltz, W. W. Morey, W. H. Glenn and J. D. Farina, in"163 Proc. OFS 88",.

J. A. Besley, L. Reekie, C. Weeks, T. Wang and C. Murphy, "J. Lightw. Technol.", vol. 21, pp. 2421-2428, 2003.

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