Abstract

We propose and demonstrate a high-performance and long-range Brillouin optical time-domain analysis (BOTDA) based on time-division multiplexing measurement, where a probe pulse and a pump pulse are used to perform the measurement on a selected sensing section, and the measurement of the entire sensing fiber is realized by combining the series measurements over different sections through changing the delay time between the two pulses. In experiment, a 100km sensing fiber is divided into 11 sections based on the gain-controlled principle, and spatial resolutions of 0.6m and 2m are obtained at the end of 75km and 100km, respectively.

© 2011 Optical Society of America

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References

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2010

2009

2008

S. Diaz, S. F. Mafang, M. Lopez-Amo, and L. Thevenaz, IEEE Sens. J. 8, 1268 (2008).
[CrossRef]

L. Thevenaz and S. F. Mafang, Proc. SPIE 7004, 70043N (2008).
[CrossRef]

W. Li, X. Bao, Y. Li, and L. Chen, Opt. Express 16, 21616 (2008).
[CrossRef] [PubMed]

2005

2004

2001

1995

T. Horiguchi, K. Shimizu, T. Kurashima, M. Tateda, and Y. Koyamada, J. Lightwave Technol. 13, 1296 (1995).
[CrossRef]

Alahbabi, M. N.

Arai, H.

K. Hotate and H. Arai, Proc. SPIE 5855, 184 (2005).
[CrossRef]

Bao, X.

Barrios, F. R.

Bolognini, G.

Castanon, J. D. A.

Chen, L.

Cho, Y. T.

Corredera, P.

Diaz, S.

S. Diaz, S. F. Mafang, M. Lopez-Amo, and L. Thevenaz, IEEE Sens. J. 8, 1268 (2008).
[CrossRef]

Dong, Y.

Hartog, A. H.

Herraez, M. G.

Horiguchi, T.

T. Horiguchi, K. Shimizu, T. Kurashima, M. Tateda, and Y. Koyamada, J. Lightwave Technol. 13, 1296 (1995).
[CrossRef]

Hotate, K.

K. Hotate and H. Arai, Proc. SPIE 5855, 184 (2005).
[CrossRef]

Jia, X. H.

Kee, H. H.

Koyamada, Y.

T. Horiguchi, K. Shimizu, T. Kurashima, M. Tateda, and Y. Koyamada, J. Lightwave Technol. 13, 1296 (1995).
[CrossRef]

Kurashima, T.

T. Horiguchi, K. Shimizu, T. Kurashima, M. Tateda, and Y. Koyamada, J. Lightwave Technol. 13, 1296 (1995).
[CrossRef]

Li, W.

Li, Y.

Liang, H.

Linze, N.

Lopez, S. M.

Lopez-Amo, M.

S. Diaz, S. F. Mafang, M. Lopez-Amo, and L. Thevenaz, IEEE Sens. J. 8, 1268 (2008).
[CrossRef]

Mafang, S. F.

S. Diaz, S. F. Mafang, M. Lopez-Amo, and L. Thevenaz, IEEE Sens. J. 8, 1268 (2008).
[CrossRef]

L. Thevenaz and S. F. Mafang, Proc. SPIE 7004, 70043N (2008).
[CrossRef]

Maughan, S. M.

Newson, T. P.

Pasquale, F. D.

Ran, Z. L.

Rao, Y. J.

Sanz, A. C.

Shimizu, K.

T. Horiguchi, K. Shimizu, T. Kurashima, M. Tateda, and Y. Koyamada, J. Lightwave Technol. 13, 1296 (1995).
[CrossRef]

Soto, M. A.

Tateda, M.

T. Horiguchi, K. Shimizu, T. Kurashima, M. Tateda, and Y. Koyamada, J. Lightwave Technol. 13, 1296 (1995).
[CrossRef]

Thevenaz, L.

Wait, P. C.

Zhang, C.

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Figures (4)

Fig. 1
Fig. 1

Experimental setup. PD, photodetector; PC, polarization controller; PS, polarization scrambler; EOM, electro-optic modulator; EDFA, erbium-doped fiber amplifier; C, circulator; DAQ, data acquisition.

Fig. 2
Fig. 2

Time traces of the Brillouin signal for 11 sections. The frequency offset between the probe and pump waves is locked at 10,535 MHz for (a), 10,580 MHz for (b) and (c), and 10,530 MHz for (d)–(k).

Fig. 3
Fig. 3

(a) Measured BFS as a function of the position and (b) a typical spectrum of the heated fiber near the end of 75 km with a fitted linewidth of 32 MHz .

Fig. 4
Fig. 4

(a) Measured BFS as a function of the position and (b) a typical spectrum of the heated fiber near the end of 100 km with a fitted linewidth of 26 MHz .

Tables (1)

Tables Icon

Table 1 Division of 100 km Sensing Fiber

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