Abstract

In this paper we present a Brillouin optical time domain analysis (BOTDA) sensor that takes advantage of the enhanced characteristics obtained employing self-heterodyne optical detection combined with synchronous demodulation. By employing this technique we increase the sensitivity of the sensor and demonstrate experimentally a 10.75-dB enhancement in the SNR compared to conventional direct-detection systems. This detection scheme also enables distributed measurements of the Brillouin phase-shift in an optical fiber, which can lead to enhanced BOTDA schemes.

© 2011 IEEE

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  1. T. Horiguchi, K. Shimizu, T. Kurashima, M. Tateda, Y. Koyamada, "Development of a distributed sensing technique using Brillouin scattering," J. Lightw. Technol. 13, 1296-1302 (1995).
  2. M. A. Soto, G. Bolognini, F. Di Pasquale, "Long-range simplex-coded BOTDA sensor over 120 km distance employing optical preamplification," Opt. Lett. 36, 232-234 (2011).
  3. D. Alasia, M. G. Herráez, L. Abrardi, S. M. López, L. Thévenaz, "Detrimental effect of modulation instability on distributed optical fibre sensors using stimulated Brillouin scattering," Proc. SPIE 5855, 587-590 (2005).
  4. A. Minardo, R. Bernini, L. Zeni, L. Thevenaz, F. Briffod, "A reconstruction technique for long-range stimulated Brillouin scattering distributed fibre-optic sensors: Experimental results," Meas. Sci. Technol. 16, 900-908 (2005).
  5. A. Zornoza, R. A. Pérez-Herrera, C. Elosúa, S. Diaz, C. Bariain, A. Loayssa, M. Lopez-Amo, "Long-range hybrid network with point and distributed Brillouin sensors using Raman amplification," Opt. Exp. 18, 9531-9541 (2010).
  6. A. Zornoza, A. Minardo, R. Bernini, A. Loayssa, L. Zeni, "Pulsing the probe wave to reduce nonlocal effects in Brillouin optical time-domain analysis (BOTDA) sensors," IEEE Sensors J. 11, 1067-1068 (2011).
  7. Y. Dong, L. Chen, X. Bao, "Time-division multiplexing-based BOTDA over 100 km sensing length," Opt. Lett. 36, 277-279 (2011).
  8. M. A. Soto, G. Bolognini, F. Di Pasquale, L. Thévenaz, "Long-range Brillouin optical time-domain analysis sensor employing pulse coding techniques," Meas. Sci. Technol. 21, (2010).
  9. G. P. Agrawal, Fiber Optic Communication Systems (Wiley, 1997).
  10. T. Okoshi, K. Kikuchi, A. Nakayama, "Novel method for high resolution measurement of laser output spectrum," Electron. Lett. 16, 630-631 (1980).
  11. A. Zornoza, D. Olier, A. Loayssa, "Self-heterodyne synchronous detection for SNR improvement and distributed Brillouin phase shift measurements in BOTDA sensors," Proc. SPIE 7753, (2011) Art. ID 77532F.
  12. L. Thévenaz, S. F. Mafang, J. Lin, "Depletion in a distributed Brillouin fiber sensor: Practical limitation and strategy to avoid it," Proc. SPIE (2011).
  13. A. Zornoza, D. Olier, M. Sagues, A. Loayssa, "Brillouin distributed sensor using RF shaping of pump pulses," Meas. Sci. Technol. 21, (2010).
  14. G. P. Agrawal, Nonlinear Fiber Optics (Academic, 2001).
  15. R. Bernini, A. Minardo, L. Zeni, "Dynamic strain measurement in optical fibers by stimulated Brillouin scattering," Opt. Lett. 34, 2613-2615 (2009) [1].

2011 (5)

M. A. Soto, G. Bolognini, F. Di Pasquale, "Long-range simplex-coded BOTDA sensor over 120 km distance employing optical preamplification," Opt. Lett. 36, 232-234 (2011).

A. Zornoza, A. Minardo, R. Bernini, A. Loayssa, L. Zeni, "Pulsing the probe wave to reduce nonlocal effects in Brillouin optical time-domain analysis (BOTDA) sensors," IEEE Sensors J. 11, 1067-1068 (2011).

Y. Dong, L. Chen, X. Bao, "Time-division multiplexing-based BOTDA over 100 km sensing length," Opt. Lett. 36, 277-279 (2011).

A. Zornoza, D. Olier, A. Loayssa, "Self-heterodyne synchronous detection for SNR improvement and distributed Brillouin phase shift measurements in BOTDA sensors," Proc. SPIE 7753, (2011) Art. ID 77532F.

L. Thévenaz, S. F. Mafang, J. Lin, "Depletion in a distributed Brillouin fiber sensor: Practical limitation and strategy to avoid it," Proc. SPIE (2011).

2010 (3)

A. Zornoza, D. Olier, M. Sagues, A. Loayssa, "Brillouin distributed sensor using RF shaping of pump pulses," Meas. Sci. Technol. 21, (2010).

M. A. Soto, G. Bolognini, F. Di Pasquale, L. Thévenaz, "Long-range Brillouin optical time-domain analysis sensor employing pulse coding techniques," Meas. Sci. Technol. 21, (2010).

A. Zornoza, R. A. Pérez-Herrera, C. Elosúa, S. Diaz, C. Bariain, A. Loayssa, M. Lopez-Amo, "Long-range hybrid network with point and distributed Brillouin sensors using Raman amplification," Opt. Exp. 18, 9531-9541 (2010).

2009 (1)

2005 (2)

D. Alasia, M. G. Herráez, L. Abrardi, S. M. López, L. Thévenaz, "Detrimental effect of modulation instability on distributed optical fibre sensors using stimulated Brillouin scattering," Proc. SPIE 5855, 587-590 (2005).

A. Minardo, R. Bernini, L. Zeni, L. Thevenaz, F. Briffod, "A reconstruction technique for long-range stimulated Brillouin scattering distributed fibre-optic sensors: Experimental results," Meas. Sci. Technol. 16, 900-908 (2005).

1995 (1)

T. Horiguchi, K. Shimizu, T. Kurashima, M. Tateda, Y. Koyamada, "Development of a distributed sensing technique using Brillouin scattering," J. Lightw. Technol. 13, 1296-1302 (1995).

1980 (1)

T. Okoshi, K. Kikuchi, A. Nakayama, "Novel method for high resolution measurement of laser output spectrum," Electron. Lett. 16, 630-631 (1980).

Electron. Lett. (1)

T. Okoshi, K. Kikuchi, A. Nakayama, "Novel method for high resolution measurement of laser output spectrum," Electron. Lett. 16, 630-631 (1980).

IEEE Sensors J. (1)

A. Zornoza, A. Minardo, R. Bernini, A. Loayssa, L. Zeni, "Pulsing the probe wave to reduce nonlocal effects in Brillouin optical time-domain analysis (BOTDA) sensors," IEEE Sensors J. 11, 1067-1068 (2011).

J. Lightw. Technol. (1)

T. Horiguchi, K. Shimizu, T. Kurashima, M. Tateda, Y. Koyamada, "Development of a distributed sensing technique using Brillouin scattering," J. Lightw. Technol. 13, 1296-1302 (1995).

Meas. Sci. Technol. (3)

A. Minardo, R. Bernini, L. Zeni, L. Thevenaz, F. Briffod, "A reconstruction technique for long-range stimulated Brillouin scattering distributed fibre-optic sensors: Experimental results," Meas. Sci. Technol. 16, 900-908 (2005).

M. A. Soto, G. Bolognini, F. Di Pasquale, L. Thévenaz, "Long-range Brillouin optical time-domain analysis sensor employing pulse coding techniques," Meas. Sci. Technol. 21, (2010).

A. Zornoza, D. Olier, M. Sagues, A. Loayssa, "Brillouin distributed sensor using RF shaping of pump pulses," Meas. Sci. Technol. 21, (2010).

Opt. Exp. (1)

A. Zornoza, R. A. Pérez-Herrera, C. Elosúa, S. Diaz, C. Bariain, A. Loayssa, M. Lopez-Amo, "Long-range hybrid network with point and distributed Brillouin sensors using Raman amplification," Opt. Exp. 18, 9531-9541 (2010).

Opt. Lett. (3)

Proc. SPIE (3)

A. Zornoza, D. Olier, A. Loayssa, "Self-heterodyne synchronous detection for SNR improvement and distributed Brillouin phase shift measurements in BOTDA sensors," Proc. SPIE 7753, (2011) Art. ID 77532F.

L. Thévenaz, S. F. Mafang, J. Lin, "Depletion in a distributed Brillouin fiber sensor: Practical limitation and strategy to avoid it," Proc. SPIE (2011).

D. Alasia, M. G. Herráez, L. Abrardi, S. M. López, L. Thévenaz, "Detrimental effect of modulation instability on distributed optical fibre sensors using stimulated Brillouin scattering," Proc. SPIE 5855, 587-590 (2005).

Other (2)

G. P. Agrawal, Fiber Optic Communication Systems (Wiley, 1997).

G. P. Agrawal, Nonlinear Fiber Optics (Academic, 2001).

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