Abstract

An optical fiber ring is used to generate multiple reference waves in a multiplexed fiber-optic Michelson-type sensor array. The array consists of N sensing segments connected in series along a single optical fiber path and is interrogated with a white-light interferometric technique. Experimental results with a two-sensor array are presented.

© 2000 Optical Society of America

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References

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  1. Y. J. Rao and D. A. Jackson, Meas. Sci. Technol. 7, 981 (1996).
    [CrossRef]
  2. L. B. Yuan and F. Ansari, Sens. Actuators A 63, 177 (1997).
    [CrossRef]
  3. L. B. Yuan and L. M. Zhou, Appl. Opt. 37, 4168 (1998).
    [CrossRef]
  4. L. B. Yuan and F. Ansari, Meas. Sci. Technol. 9, 261 (1998).
    [CrossRef]
  5. L. B. Yuan, Opt. Laser Technol. 30, 33 (1998).
    [CrossRef]
  6. F. Farahi, T. P. Newson, J. D. C. Jones, and D. A. Jackson, Opt. Commun. 65, 319 (1988).
    [CrossRef]
  7. V. Gusmeroli, M. Martinelli, A. Barberis, and M. Mariottini, in Proceedings of the Ninth International Conference on Optical Fiber Sensors (Elsevier, Amsterdam, 1993), p. 71.
  8. J. L. Santos and D. A. Jackson, Appl. Opt. 30, 5068 (1991).
    [CrossRef] [PubMed]
  9. Y. J. Rao and D. A. Jackson, Proc. SPIE 2507, 90 (1995).
    [CrossRef]
  10. D. N. Wang, Y. N. Ning, K. T. V. Grattan, A. W. Palmer, and K. Weir, IEEE Photon. Technol. Lett. 5, 1350 (1993).
    [CrossRef]
  11. L. B. Yuan and L. M. Zhou, Sens. Actuators A 69, 5 (1998).
    [CrossRef]

1998 (4)

L. B. Yuan and F. Ansari, Meas. Sci. Technol. 9, 261 (1998).
[CrossRef]

L. B. Yuan, Opt. Laser Technol. 30, 33 (1998).
[CrossRef]

L. B. Yuan and L. M. Zhou, Sens. Actuators A 69, 5 (1998).
[CrossRef]

L. B. Yuan and L. M. Zhou, Appl. Opt. 37, 4168 (1998).
[CrossRef]

1997 (1)

L. B. Yuan and F. Ansari, Sens. Actuators A 63, 177 (1997).
[CrossRef]

1996 (1)

Y. J. Rao and D. A. Jackson, Meas. Sci. Technol. 7, 981 (1996).
[CrossRef]

1995 (1)

Y. J. Rao and D. A. Jackson, Proc. SPIE 2507, 90 (1995).
[CrossRef]

1993 (1)

D. N. Wang, Y. N. Ning, K. T. V. Grattan, A. W. Palmer, and K. Weir, IEEE Photon. Technol. Lett. 5, 1350 (1993).
[CrossRef]

1991 (1)

1988 (1)

F. Farahi, T. P. Newson, J. D. C. Jones, and D. A. Jackson, Opt. Commun. 65, 319 (1988).
[CrossRef]

Ansari, F.

L. B. Yuan and F. Ansari, Meas. Sci. Technol. 9, 261 (1998).
[CrossRef]

L. B. Yuan and F. Ansari, Sens. Actuators A 63, 177 (1997).
[CrossRef]

Barberis, A.

V. Gusmeroli, M. Martinelli, A. Barberis, and M. Mariottini, in Proceedings of the Ninth International Conference on Optical Fiber Sensors (Elsevier, Amsterdam, 1993), p. 71.

Farahi, F.

F. Farahi, T. P. Newson, J. D. C. Jones, and D. A. Jackson, Opt. Commun. 65, 319 (1988).
[CrossRef]

Grattan, K. T. V.

D. N. Wang, Y. N. Ning, K. T. V. Grattan, A. W. Palmer, and K. Weir, IEEE Photon. Technol. Lett. 5, 1350 (1993).
[CrossRef]

Gusmeroli, V.

V. Gusmeroli, M. Martinelli, A. Barberis, and M. Mariottini, in Proceedings of the Ninth International Conference on Optical Fiber Sensors (Elsevier, Amsterdam, 1993), p. 71.

Jackson, D. A.

Y. J. Rao and D. A. Jackson, Meas. Sci. Technol. 7, 981 (1996).
[CrossRef]

Y. J. Rao and D. A. Jackson, Proc. SPIE 2507, 90 (1995).
[CrossRef]

J. L. Santos and D. A. Jackson, Appl. Opt. 30, 5068 (1991).
[CrossRef] [PubMed]

F. Farahi, T. P. Newson, J. D. C. Jones, and D. A. Jackson, Opt. Commun. 65, 319 (1988).
[CrossRef]

Jones, J. D. C.

F. Farahi, T. P. Newson, J. D. C. Jones, and D. A. Jackson, Opt. Commun. 65, 319 (1988).
[CrossRef]

Mariottini, M.

V. Gusmeroli, M. Martinelli, A. Barberis, and M. Mariottini, in Proceedings of the Ninth International Conference on Optical Fiber Sensors (Elsevier, Amsterdam, 1993), p. 71.

Martinelli, M.

V. Gusmeroli, M. Martinelli, A. Barberis, and M. Mariottini, in Proceedings of the Ninth International Conference on Optical Fiber Sensors (Elsevier, Amsterdam, 1993), p. 71.

Newson, T. P.

F. Farahi, T. P. Newson, J. D. C. Jones, and D. A. Jackson, Opt. Commun. 65, 319 (1988).
[CrossRef]

Ning, Y. N.

D. N. Wang, Y. N. Ning, K. T. V. Grattan, A. W. Palmer, and K. Weir, IEEE Photon. Technol. Lett. 5, 1350 (1993).
[CrossRef]

Palmer, A. W.

D. N. Wang, Y. N. Ning, K. T. V. Grattan, A. W. Palmer, and K. Weir, IEEE Photon. Technol. Lett. 5, 1350 (1993).
[CrossRef]

Rao, Y. J.

Y. J. Rao and D. A. Jackson, Meas. Sci. Technol. 7, 981 (1996).
[CrossRef]

Y. J. Rao and D. A. Jackson, Proc. SPIE 2507, 90 (1995).
[CrossRef]

Santos, J. L.

Wang, D. N.

D. N. Wang, Y. N. Ning, K. T. V. Grattan, A. W. Palmer, and K. Weir, IEEE Photon. Technol. Lett. 5, 1350 (1993).
[CrossRef]

Weir, K.

D. N. Wang, Y. N. Ning, K. T. V. Grattan, A. W. Palmer, and K. Weir, IEEE Photon. Technol. Lett. 5, 1350 (1993).
[CrossRef]

Yuan, L. B.

L. B. Yuan and L. M. Zhou, Appl. Opt. 37, 4168 (1998).
[CrossRef]

L. B. Yuan, Opt. Laser Technol. 30, 33 (1998).
[CrossRef]

L. B. Yuan and L. M. Zhou, Sens. Actuators A 69, 5 (1998).
[CrossRef]

L. B. Yuan and F. Ansari, Meas. Sci. Technol. 9, 261 (1998).
[CrossRef]

L. B. Yuan and F. Ansari, Sens. Actuators A 63, 177 (1997).
[CrossRef]

Zhou, L. M.

L. B. Yuan and L. M. Zhou, Sens. Actuators A 69, 5 (1998).
[CrossRef]

L. B. Yuan and L. M. Zhou, Appl. Opt. 37, 4168 (1998).
[CrossRef]

Appl. Opt. (2)

IEEE Photon. Technol. Lett. (1)

D. N. Wang, Y. N. Ning, K. T. V. Grattan, A. W. Palmer, and K. Weir, IEEE Photon. Technol. Lett. 5, 1350 (1993).
[CrossRef]

Meas. Sci. Technol. (2)

Y. J. Rao and D. A. Jackson, Meas. Sci. Technol. 7, 981 (1996).
[CrossRef]

L. B. Yuan and F. Ansari, Meas. Sci. Technol. 9, 261 (1998).
[CrossRef]

Opt. Commun. (1)

F. Farahi, T. P. Newson, J. D. C. Jones, and D. A. Jackson, Opt. Commun. 65, 319 (1988).
[CrossRef]

Opt. Laser Technol. (1)

L. B. Yuan, Opt. Laser Technol. 30, 33 (1998).
[CrossRef]

Proc. SPIE (1)

Y. J. Rao and D. A. Jackson, Proc. SPIE 2507, 90 (1995).
[CrossRef]

Sens. Actuators A (2)

L. B. Yuan and F. Ansari, Sens. Actuators A 63, 177 (1997).
[CrossRef]

L. B. Yuan and L. M. Zhou, Sens. Actuators A 69, 5 (1998).
[CrossRef]

Other (1)

V. Gusmeroli, M. Martinelli, A. Barberis, and M. Mariottini, in Proceedings of the Ninth International Conference on Optical Fiber Sensors (Elsevier, Amsterdam, 1993), p. 71.

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Figures (5)

Fig. 1
Fig. 1

Configuration of the quasi-distributed fiber-optic strain sensor system: GRIN, graded index.

Fig. 2
Fig. 2

Model of calculation of the light intensities of the fiber-optic sensor part.

Fig. 3
Fig. 3

Test specimen.

Fig. 4
Fig. 4

Calibration of the fiber-optic sensors.

Fig. 5
Fig. 5

Experimental results: strain values of the fiber sensors as functions of applied load.

Equations (7)

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2nL1+i=1kli,
2nL2+2X+nkL0,
2NL1+i=1kli=2nL2+2Xk+nkL0,
Yk=nlk-nL02.
ΔYk=nΔlk=nlkk,
ISk=I04Rα0k=0I04Rα0i=1kαi-11-R2k=1,2,.
SNRmindB|k=-201gΔIsk01,

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