Abstract

In this paper, we present a wide range displacement sensor system using the fiber Bragg grating (FBG), spring, and a twin-core fiber. The quantitative analysis of the theory of the cascaded FBG–spring system for displacement measurement is introduced together with the basic working principle of a twin-core fiber filter. The feasibility of the method is demonstrated in experiments which shows the output optical intensity linear relation with the displacement. The characteristics of the wide range, high resolution, low cost, and compact scheme would make this method more applicable.

© 2011 IEEE

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  1. A. D. Kersey, M. A. Davis, H. J. Patrick, M. LeBlanc, K. P. Koo, C. G. Askins, M. A. Putnam, E. J. Friebele, "Fiber grating sensors," J. Lightw. Technol. 15, 1442-1463 (1997).
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  3. Y. J. Rao, "In-fiber Bragg grating sensors," Meas. Sci. Technol. 8, 355-375 (1997).
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  5. Y. L. Lo, F. Y. Xiao, "Measurement of corrosion and temperature using a single-pitch Bragg grating fiber sensor," J. Intell. Mater. Syst. Struct. 9, 800-807 (1998).
  6. Y. Zou, X. Dong, "Demodulation of the FBG temperature sensor with the tunable twin-core fiber," Microw. Opt. Technol. Lett. 53, 81-84 (2011).
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2011 (1)

Y. Zou, X. Dong, "Demodulation of the FBG temperature sensor with the tunable twin-core fiber," Microw. Opt. Technol. Lett. 53, 81-84 (2011).

2006 (2)

Q. Wang, G. Farrell, "Multimode-fiber-based edge filter for optical wavelength measurement application and its design," Microw. Opt. Technol. Lett. 48, 900-902 (2006).

A. Betlej, S. Suntsov, K. G. Makris, L. Jankovic, D. N. Christodoulides, G. I. Stegeman, "All-optical switching and multifrequency generation in a dual-core photonic crystal fiber," Opt. Lett. 31, 1480-1482 (2006).

1998 (4)

R. W. Fallon, L. Zhang, L. A. Everall, J. A. R. Williams, I. Bennion, "All-fibre optical sensing system: Bragg grating sensor interrogated by a long-period grating," Meas. Sci. Technol. 9, 1969-1973 (1998).

S. H. Yun, D. J. Richardson, B. Y. Kim, "Interrogation of fiber grating sensor arrays with a wavelength-swept fiber laser," Opt. Lett. 23, 843-845 (1998).

V. Dewynter-Marty, P. Ferdinand, "Embedded fiber Bragg grating sensors for industrial composite cure monitoring," J. Intell. Mater. Syst. Struct. 9, 785-787 (1998).

Y. L. Lo, F. Y. Xiao, "Measurement of corrosion and temperature using a single-pitch Bragg grating fiber sensor," J. Intell. Mater. Syst. Struct. 9, 800-807 (1998).

1997 (2)

A. D. Kersey, M. A. Davis, H. J. Patrick, M. LeBlanc, K. P. Koo, C. G. Askins, M. A. Putnam, E. J. Friebele, "Fiber grating sensors," J. Lightw. Technol. 15, 1442-1463 (1997).

Y. J. Rao, "In-fiber Bragg grating sensors," Meas. Sci. Technol. 8, 355-375 (1997).

1996 (1)

1994 (2)

G. A. Ball, W. W. Morey, P. K. Cheo, "Fiber laser source/analyzer for Bragg grating sensor array interrogation," J. Lightw. Technol. 12, 700-703 (1994).

M. A. Davis, A. D. Kersey, "All-fibre Bragg grating strain-sensor demodulation technique using a wavelength division coupler," Electron. Lett. 30, 75-77 (1994).

1993 (4)

S. M. Melle, T. Alavic, S. Karr, T. Coroy, K. Lui, R. M. Measures, "A Bragg grating-tuned fiber laser strain sensor system," IEEE Photon. Technol. Lett. 5, 263-266 (1993).

D. A. Jackson, A. B. L. Ribeiro, "Simple multiplexing scheme for a fibre-optic grating sensor network," Opt. Lett. 18, 1192-1194 (1993).

M. G. Xu, H. Geiger, J. L. Archambault, L. Reekie, J. P. Dakin, "Novel interrogating system for fibre Bragg grating sensors using an acousto-optic tunable filter," Electron. Lett. 29, 1510-1511 (1993).

A. D. Kersey, T. A. Berkoff, W. W. Morey, "Fiber-optic Bragg grating strain sensor with drift-compensated high-resolution interferometric wavelength-shift detection," Opt. Lett. 18, 72-74 (1993).

1992 (2)

A. D. Kersey, T. A. Berkoff, W. W. Morey, "High-resolution fibre-grating based strain sensor with interferometric wavelength-shift detection," Electron. Lett. 28, 236-238 (1992).

S. M. Melle, K. Liu, R. M. Measures, "A passive wavelength demodulation system for guided-wave Bragg grating sensors," IEEE Photon. Technol. Lett. 4, 516-518 (1992).

1988 (1)

1980 (1)

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

1979 (1)

Appl. Opt. (2)

Electron. Lett. (4)

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

M. A. Davis, A. D. Kersey, "All-fibre Bragg grating strain-sensor demodulation technique using a wavelength division coupler," Electron. Lett. 30, 75-77 (1994).

M. G. Xu, H. Geiger, J. L. Archambault, L. Reekie, J. P. Dakin, "Novel interrogating system for fibre Bragg grating sensors using an acousto-optic tunable filter," Electron. Lett. 29, 1510-1511 (1993).

A. D. Kersey, T. A. Berkoff, W. W. Morey, "High-resolution fibre-grating based strain sensor with interferometric wavelength-shift detection," Electron. Lett. 28, 236-238 (1992).

IEEE Photon. Technol. Lett. (2)

S. M. Melle, K. Liu, R. M. Measures, "A passive wavelength demodulation system for guided-wave Bragg grating sensors," IEEE Photon. Technol. Lett. 4, 516-518 (1992).

S. M. Melle, T. Alavic, S. Karr, T. Coroy, K. Lui, R. M. Measures, "A Bragg grating-tuned fiber laser strain sensor system," IEEE Photon. Technol. Lett. 5, 263-266 (1993).

J. Intell. Mater. Syst. Struct. (2)

V. Dewynter-Marty, P. Ferdinand, "Embedded fiber Bragg grating sensors for industrial composite cure monitoring," J. Intell. Mater. Syst. Struct. 9, 785-787 (1998).

Y. L. Lo, F. Y. Xiao, "Measurement of corrosion and temperature using a single-pitch Bragg grating fiber sensor," J. Intell. Mater. Syst. Struct. 9, 800-807 (1998).

J. Lightw. Technol. (2)

A. D. Kersey, M. A. Davis, H. J. Patrick, M. LeBlanc, K. P. Koo, C. G. Askins, M. A. Putnam, E. J. Friebele, "Fiber grating sensors," J. Lightw. Technol. 15, 1442-1463 (1997).

G. A. Ball, W. W. Morey, P. K. Cheo, "Fiber laser source/analyzer for Bragg grating sensor array interrogation," J. Lightw. Technol. 12, 700-703 (1994).

Meas. Sci. Technol. (2)

R. W. Fallon, L. Zhang, L. A. Everall, J. A. R. Williams, I. Bennion, "All-fibre optical sensing system: Bragg grating sensor interrogated by a long-period grating," Meas. Sci. Technol. 9, 1969-1973 (1998).

Y. J. Rao, "In-fiber Bragg grating sensors," Meas. Sci. Technol. 8, 355-375 (1997).

Microw. Opt. Technol. Lett. (2)

Y. Zou, X. Dong, "Demodulation of the FBG temperature sensor with the tunable twin-core fiber," Microw. Opt. Technol. Lett. 53, 81-84 (2011).

Q. Wang, G. Farrell, "Multimode-fiber-based edge filter for optical wavelength measurement application and its design," Microw. Opt. Technol. Lett. 48, 900-902 (2006).

Opt. Lett. (5)

Other (4)

Y. J. Rao, D. A. Jackson, "A prototype multiplexing system for use with a large number of fibre-optic-based extrinsic Fabry–Perot sensors exploiting low coherence interrogation," Proc. Int. Soc. Opt. Eng. (1995) pp. 90-98.

A. W. Snyder, J. D. Love, Waveguide Theory (Chapman & Hall, 1983).

X. P. Dong, B. C. B. Chu, B. Yi, K. S. Chiang, "Novel method for the demodulation of wavelength shift of fiber Bragg gratings," Proc. Int. Soc. Opt. Eng. (2001) pp. 184-187.

A. D. Kersey, "Interrogation and multiplexing techniques for fiber Bragg grating strain sensors," Proc. Int. Soc. Opt. Eng. (1993) pp. 30-48.

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