Abstract

A novel configuration of a distributed fiber sensor by Brillouin gain analysis has been developed for temperature and strain monitoring. It uses a single laser source, and the required light signals are all generated with an electro-optic modulator, resulting in high stability and excellent reliability of the measuring setup. Measurement of the induced strain in a wound fiber is presented as a demonstration of the system performance.

© 1996 Optical Society of America

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References

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  1. T. Horiguchi, T. Kurashima, M. Tateda, IEEE Photon. Technol. Lett. 2, 352 (1990).
    [CrossRef]
  2. X. Bao, D. J. Webb, D. A. Jackson, Opt. Lett. 18, 552 (1993).
    [CrossRef] [PubMed]
  3. L. Thévenaz, M. Niklès, P. Robert, in Symposium on Optical Fiber Measurement, Natl. Inst. Stand. Technol. Spec. Publ.864, 211 (1994).
  4. K. Shimizu, T. Horiguchi, Y. Koyamada, T. Kurashima, Opt. Lett. 18, 185 (1993).
    [CrossRef] [PubMed]
  5. M. Niklès, L. Thévenaz, P. Robert, in Optical Fiber Communication Conference, Vol. 4 of 1994 OSA Technial Digest Series (Optical Society of America, Washington, D.C., 1994), paper WF1.
  6. M. Niklès, L. Thévenaz, P. Robert, in Optical Fiber Sensor Conference, Proc. SPIE2360, 138 (1994).
  7. M. O. van Deventer, A. J. Boot, J. Lightwave Technol. 4, 585 (1994).
    [CrossRef]
  8. M. Niklès, C. Gabioud, L. Thévenaz, P. Roberts, presented at the 3rd Optical Fibre Measurements Conference, Liège, Belgium, September 25–26, 1995.

1994 (1)

M. O. van Deventer, A. J. Boot, J. Lightwave Technol. 4, 585 (1994).
[CrossRef]

1993 (2)

1990 (1)

T. Horiguchi, T. Kurashima, M. Tateda, IEEE Photon. Technol. Lett. 2, 352 (1990).
[CrossRef]

Bao, X.

Boot, A. J.

M. O. van Deventer, A. J. Boot, J. Lightwave Technol. 4, 585 (1994).
[CrossRef]

Gabioud, C.

M. Niklès, C. Gabioud, L. Thévenaz, P. Roberts, presented at the 3rd Optical Fibre Measurements Conference, Liège, Belgium, September 25–26, 1995.

Horiguchi, T.

K. Shimizu, T. Horiguchi, Y. Koyamada, T. Kurashima, Opt. Lett. 18, 185 (1993).
[CrossRef] [PubMed]

T. Horiguchi, T. Kurashima, M. Tateda, IEEE Photon. Technol. Lett. 2, 352 (1990).
[CrossRef]

Jackson, D. A.

Koyamada, Y.

Kurashima, T.

K. Shimizu, T. Horiguchi, Y. Koyamada, T. Kurashima, Opt. Lett. 18, 185 (1993).
[CrossRef] [PubMed]

T. Horiguchi, T. Kurashima, M. Tateda, IEEE Photon. Technol. Lett. 2, 352 (1990).
[CrossRef]

Niklès, M.

L. Thévenaz, M. Niklès, P. Robert, in Symposium on Optical Fiber Measurement, Natl. Inst. Stand. Technol. Spec. Publ.864, 211 (1994).

M. Niklès, L. Thévenaz, P. Robert, in Optical Fiber Communication Conference, Vol. 4 of 1994 OSA Technial Digest Series (Optical Society of America, Washington, D.C., 1994), paper WF1.

M. Niklès, L. Thévenaz, P. Robert, in Optical Fiber Sensor Conference, Proc. SPIE2360, 138 (1994).

M. Niklès, C. Gabioud, L. Thévenaz, P. Roberts, presented at the 3rd Optical Fibre Measurements Conference, Liège, Belgium, September 25–26, 1995.

Robert, P.

M. Niklès, L. Thévenaz, P. Robert, in Optical Fiber Communication Conference, Vol. 4 of 1994 OSA Technial Digest Series (Optical Society of America, Washington, D.C., 1994), paper WF1.

M. Niklès, L. Thévenaz, P. Robert, in Optical Fiber Sensor Conference, Proc. SPIE2360, 138 (1994).

L. Thévenaz, M. Niklès, P. Robert, in Symposium on Optical Fiber Measurement, Natl. Inst. Stand. Technol. Spec. Publ.864, 211 (1994).

Roberts, P.

M. Niklès, C. Gabioud, L. Thévenaz, P. Roberts, presented at the 3rd Optical Fibre Measurements Conference, Liège, Belgium, September 25–26, 1995.

Shimizu, K.

Tateda, M.

T. Horiguchi, T. Kurashima, M. Tateda, IEEE Photon. Technol. Lett. 2, 352 (1990).
[CrossRef]

Thévenaz, L.

L. Thévenaz, M. Niklès, P. Robert, in Symposium on Optical Fiber Measurement, Natl. Inst. Stand. Technol. Spec. Publ.864, 211 (1994).

M. Niklès, L. Thévenaz, P. Robert, in Optical Fiber Sensor Conference, Proc. SPIE2360, 138 (1994).

M. Niklès, L. Thévenaz, P. Robert, in Optical Fiber Communication Conference, Vol. 4 of 1994 OSA Technial Digest Series (Optical Society of America, Washington, D.C., 1994), paper WF1.

M. Niklès, C. Gabioud, L. Thévenaz, P. Roberts, presented at the 3rd Optical Fibre Measurements Conference, Liège, Belgium, September 25–26, 1995.

van Deventer, M. O.

M. O. van Deventer, A. J. Boot, J. Lightwave Technol. 4, 585 (1994).
[CrossRef]

Webb, D. J.

IEEE Photon. Technol. Lett. (1)

T. Horiguchi, T. Kurashima, M. Tateda, IEEE Photon. Technol. Lett. 2, 352 (1990).
[CrossRef]

J. Lightwave Technol. (1)

M. O. van Deventer, A. J. Boot, J. Lightwave Technol. 4, 585 (1994).
[CrossRef]

Opt. Lett. (2)

Other (4)

M. Niklès, L. Thévenaz, P. Robert, in Optical Fiber Communication Conference, Vol. 4 of 1994 OSA Technial Digest Series (Optical Society of America, Washington, D.C., 1994), paper WF1.

M. Niklès, L. Thévenaz, P. Robert, in Optical Fiber Sensor Conference, Proc. SPIE2360, 138 (1994).

L. Thévenaz, M. Niklès, P. Robert, in Symposium on Optical Fiber Measurement, Natl. Inst. Stand. Technol. Spec. Publ.864, 211 (1994).

M. Niklès, C. Gabioud, L. Thévenaz, P. Roberts, presented at the 3rd Optical Fibre Measurements Conference, Liège, Belgium, September 25–26, 1995.

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Figures (5)

Fig. 1
Fig. 1

Experimental setup for distributed BGS measurements, which uses an EOM to generate the interacting optical signals. DET, detector.

Fig. 2
Fig. 2

Fabry–Perot spectra of a single-frequency laser modulated by a, an electro-optic carrier and first-order sidebands and b, suppression of the carrier by setting the dc bias of the modulator electrodes at the zero-transmission point.

Fig. 3
Fig. 3

Schematic diagram of the EOMtransmitted optical intensity as a function of the applied voltage together with the sequence of the electrical driving signals as a function of time. Modulation leaves a probe signal containing frequencies at ν0 + fm and ν0fm.

Fig. 4
Fig. 4

Distributed Brillouin gain profile of a 1.4-km fiber wound on a 16-cm-diameter drum with high winding tension.

Fig. 5
Fig. 5

Local Brillouin frequency shift and corresponding tensile strain variations along the same 1.4-km fiber. Each period of the waved distribution corresponds to one 140-m layer of fiber wound on the drum.

Equations (1)

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G B = exp ( g B P P τ P v g 2 A eff ) ,

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