Abstract

We demonstrate a low-loss, long-range, single-ended distributed optical fiber sensor to measure both temperature and strain simultaneously and unambiguously. By using the Landau–Placzek ratio and cascaded Mach–Zehnder interferometric filters, we measure both the intensity and the frequency changes in the Brillouin backscattered signal. Strain and temperature measurements can then be independently resolved. A temperature resolution of 4 °C, a strain resolution of 290 µ, and a spatial resolution of 10 m have been achieved for a sensing length of 15 km.

© 2000 Optical Society of America

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  1. X. Bao, D. J. Webb, and D. A. Jackson, Opt. Lett. 19, 141 (1994).
    [CrossRef]
  2. P. C. Wait and T. P. Newson, Opt. Commun. 122, 141 (1996).
    [CrossRef]
  3. T. R. Parker, M. Farhadiroushan, V. A. Handerek, and A. J. Rogers, IEEE Photon. Technol. Lett. 9, 979 (1997).
    [CrossRef]
  4. G. P. Lees, P. C. Wait, M. J. Cole, and T. P. Newson, IEEE Photon. Technol. Lett. 10, 126 (1998).
    [CrossRef]
  5. T. Horiguchi, T. Kurashima, and M. Tateda, IEEE Photon. Technol. Lett. 1, 107 (1989).
    [CrossRef]
  6. D. Culverhouse, F. Farahi, C. N. Pannell, and D. A. Jackson, Electron. Lett. 25, 913 (1989).
    [CrossRef]
  7. K. De Souza, P. C. Wait, and T. P. Newson, Electron. Lett. 33, 615 (1997).
    [CrossRef]
  8. J. D. C. Jones, in Optical Fiber Sensors, Vol 16 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), p. 36.

1998 (1)

G. P. Lees, P. C. Wait, M. J. Cole, and T. P. Newson, IEEE Photon. Technol. Lett. 10, 126 (1998).
[CrossRef]

1997 (2)

T. R. Parker, M. Farhadiroushan, V. A. Handerek, and A. J. Rogers, IEEE Photon. Technol. Lett. 9, 979 (1997).
[CrossRef]

K. De Souza, P. C. Wait, and T. P. Newson, Electron. Lett. 33, 615 (1997).
[CrossRef]

1996 (1)

P. C. Wait and T. P. Newson, Opt. Commun. 122, 141 (1996).
[CrossRef]

1994 (1)

1989 (2)

T. Horiguchi, T. Kurashima, and M. Tateda, IEEE Photon. Technol. Lett. 1, 107 (1989).
[CrossRef]

D. Culverhouse, F. Farahi, C. N. Pannell, and D. A. Jackson, Electron. Lett. 25, 913 (1989).
[CrossRef]

Bao, X.

Cole, M. J.

G. P. Lees, P. C. Wait, M. J. Cole, and T. P. Newson, IEEE Photon. Technol. Lett. 10, 126 (1998).
[CrossRef]

Culverhouse, D.

D. Culverhouse, F. Farahi, C. N. Pannell, and D. A. Jackson, Electron. Lett. 25, 913 (1989).
[CrossRef]

De Souza, K.

K. De Souza, P. C. Wait, and T. P. Newson, Electron. Lett. 33, 615 (1997).
[CrossRef]

Farahi, F.

D. Culverhouse, F. Farahi, C. N. Pannell, and D. A. Jackson, Electron. Lett. 25, 913 (1989).
[CrossRef]

Farhadiroushan, M.

T. R. Parker, M. Farhadiroushan, V. A. Handerek, and A. J. Rogers, IEEE Photon. Technol. Lett. 9, 979 (1997).
[CrossRef]

Handerek, V. A.

T. R. Parker, M. Farhadiroushan, V. A. Handerek, and A. J. Rogers, IEEE Photon. Technol. Lett. 9, 979 (1997).
[CrossRef]

Horiguchi, T.

T. Horiguchi, T. Kurashima, and M. Tateda, IEEE Photon. Technol. Lett. 1, 107 (1989).
[CrossRef]

Jackson, D. A.

X. Bao, D. J. Webb, and D. A. Jackson, Opt. Lett. 19, 141 (1994).
[CrossRef]

D. Culverhouse, F. Farahi, C. N. Pannell, and D. A. Jackson, Electron. Lett. 25, 913 (1989).
[CrossRef]

Jones, J. D. C.

J. D. C. Jones, in Optical Fiber Sensors, Vol 16 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), p. 36.

Kurashima, T.

T. Horiguchi, T. Kurashima, and M. Tateda, IEEE Photon. Technol. Lett. 1, 107 (1989).
[CrossRef]

Lees, G. P.

G. P. Lees, P. C. Wait, M. J. Cole, and T. P. Newson, IEEE Photon. Technol. Lett. 10, 126 (1998).
[CrossRef]

Newson, T. P.

G. P. Lees, P. C. Wait, M. J. Cole, and T. P. Newson, IEEE Photon. Technol. Lett. 10, 126 (1998).
[CrossRef]

K. De Souza, P. C. Wait, and T. P. Newson, Electron. Lett. 33, 615 (1997).
[CrossRef]

P. C. Wait and T. P. Newson, Opt. Commun. 122, 141 (1996).
[CrossRef]

Pannell, C. N.

D. Culverhouse, F. Farahi, C. N. Pannell, and D. A. Jackson, Electron. Lett. 25, 913 (1989).
[CrossRef]

Parker, T. R.

T. R. Parker, M. Farhadiroushan, V. A. Handerek, and A. J. Rogers, IEEE Photon. Technol. Lett. 9, 979 (1997).
[CrossRef]

Rogers, A. J.

T. R. Parker, M. Farhadiroushan, V. A. Handerek, and A. J. Rogers, IEEE Photon. Technol. Lett. 9, 979 (1997).
[CrossRef]

Tateda, M.

T. Horiguchi, T. Kurashima, and M. Tateda, IEEE Photon. Technol. Lett. 1, 107 (1989).
[CrossRef]

Wait, P. C.

G. P. Lees, P. C. Wait, M. J. Cole, and T. P. Newson, IEEE Photon. Technol. Lett. 10, 126 (1998).
[CrossRef]

K. De Souza, P. C. Wait, and T. P. Newson, Electron. Lett. 33, 615 (1997).
[CrossRef]

P. C. Wait and T. P. Newson, Opt. Commun. 122, 141 (1996).
[CrossRef]

Webb, D. J.

Electron. Lett. (2)

D. Culverhouse, F. Farahi, C. N. Pannell, and D. A. Jackson, Electron. Lett. 25, 913 (1989).
[CrossRef]

K. De Souza, P. C. Wait, and T. P. Newson, Electron. Lett. 33, 615 (1997).
[CrossRef]

IEEE Photon. Technol. Lett. (3)

T. R. Parker, M. Farhadiroushan, V. A. Handerek, and A. J. Rogers, IEEE Photon. Technol. Lett. 9, 979 (1997).
[CrossRef]

G. P. Lees, P. C. Wait, M. J. Cole, and T. P. Newson, IEEE Photon. Technol. Lett. 10, 126 (1998).
[CrossRef]

T. Horiguchi, T. Kurashima, and M. Tateda, IEEE Photon. Technol. Lett. 1, 107 (1989).
[CrossRef]

Opt. Commun. (1)

P. C. Wait and T. P. Newson, Opt. Commun. 122, 141 (1996).
[CrossRef]

Opt. Lett. (1)

Other (1)

J. D. C. Jones, in Optical Fiber Sensors, Vol 16 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), p. 36.

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Figures (3)

Fig. 1
Fig. 1

(a) Experimental configuration for generating the high-peak-power short-pulse-width source. (b) Sensor configuration for simultaneous strain and temperature measurement. WDM’s, wavelength-division multiplexers; L’s, lenses; other abbreviations defined in text.

Fig. 2
Fig. 2

Brillouin backscattered signal from MZ2 when the Rayleigh signal frequency has been tuned to (a) minimum and (b) maximum of the transfer function. (c) Sum of (a) and (b).

Fig. 3
Fig. 3

Resolved profile along the sensing fiber for (a) strain distribution and (b) temperature distribution.

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