Abstract

A compact in-fiber integrated fiber-optic Michelson interferometer based accelerometer is proposed and investigated. In the system, the sensing element consists of a twin-core fiber acting as a bending simple supported beam. By demodulating the optical phase shift, we obtain that the acceleration is proportional to the force applied on the central position of the twin-core fiber. A simple model has been established to calculate the sensitivity and resonant frequency. The experimental results show that such an accelerometer has a sensitivity of 0.09rad/g at the resonant frequency of 680Hz.

© 2011 Optical Society of America

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References

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2009 (1)

D. A. Jackson, Meas. Sci. Technol. 20, 034010 (2009).
[CrossRef]

2008 (1)

L. B. Yuan, J. Yang, and Z. H. Liu, IEEE. Sensors. J. 8, 1114 (2008).
[CrossRef]

2007 (2)

A. Laudati, F. Mennella, M. Giordano, G. D. Altrui, C. C. Tassini, and A. Cusano, IEEE. Photon. Technol. Lett. 19, 1991 (2007).
[CrossRef]

B. Bhola and W. H. Steier, IEEE Sens. J. 7, 1759 (2007).
[CrossRef]

2006 (2)

2004 (1)

N. Zeng, C. Z. Shi, M. Zhang, L. W. Wang, Y. B. Liao, and S. R. Lai, Opt. Commun. 234, 153 (2004).
[CrossRef]

1998 (1)

M. D. Todd, G. A. Johnson, B. A. Althouse, and S. T. Vohra, IEEE. Photon. Technol. Lett. 10, 1605 (1998).
[CrossRef]

1989 (1)

1982 (1)

A. Dandridge, A. B. Tveten, and T. G. Giallorenzi, IEEE. J. Quantum Electron. 18, 1647 (1982).
[CrossRef]

1979 (1)

K. I. White, Opt. Quantum Electron. 11, 185 (1979).
[CrossRef]

Althouse, B. A.

M. D. Todd, G. A. Johnson, B. A. Althouse, and S. T. Vohra, IEEE. Photon. Technol. Lett. 10, 1605 (1998).
[CrossRef]

Altrui, G. D.

A. Laudati, F. Mennella, M. Giordano, G. D. Altrui, C. C. Tassini, and A. Cusano, IEEE. Photon. Technol. Lett. 19, 1991 (2007).
[CrossRef]

Bhola, B.

B. Bhola and W. H. Steier, IEEE Sens. J. 7, 1759 (2007).
[CrossRef]

Budynas, R. G.

R. G. Budynas, in Advanced Strength and Applied Stress Analysis, 2nd ed. (McGraw-Hill, 1999), pp. 849–857.

Cusano, A.

A. Laudati, F. Mennella, M. Giordano, G. D. Altrui, C. C. Tassini, and A. Cusano, IEEE. Photon. Technol. Lett. 19, 1991 (2007).
[CrossRef]

Dandridge, A.

A. Dandridge, A. B. Tveten, and T. G. Giallorenzi, IEEE. J. Quantum Electron. 18, 1647 (1982).
[CrossRef]

Gerges, A. S.

Giallorenzi, T. G.

A. Dandridge, A. B. Tveten, and T. G. Giallorenzi, IEEE. J. Quantum Electron. 18, 1647 (1982).
[CrossRef]

Giordano, M.

A. Laudati, F. Mennella, M. Giordano, G. D. Altrui, C. C. Tassini, and A. Cusano, IEEE. Photon. Technol. Lett. 19, 1991 (2007).
[CrossRef]

Gou, W. X.

W. X. Gou, in Mechanics of Materials (Science, 2005), pp. 151–203.

Jacks, D. A.

Jackson, D. A.

D. A. Jackson, Meas. Sci. Technol. 20, 034010 (2009).
[CrossRef]

Johnson, G. A.

M. D. Todd, G. A. Johnson, B. A. Althouse, and S. T. Vohra, IEEE. Photon. Technol. Lett. 10, 1605 (1998).
[CrossRef]

Jones, J. D. C.

Lai, S. R.

N. Zeng, C. Z. Shi, M. Zhang, L. W. Wang, Y. B. Liao, and S. R. Lai, Opt. Commun. 234, 153 (2004).
[CrossRef]

Laudati, A.

A. Laudati, F. Mennella, M. Giordano, G. D. Altrui, C. C. Tassini, and A. Cusano, IEEE. Photon. Technol. Lett. 19, 1991 (2007).
[CrossRef]

Liao, Y. B.

N. Zeng, C. Z. Shi, M. Zhang, L. W. Wang, Y. B. Liao, and S. R. Lai, Opt. Commun. 234, 153 (2004).
[CrossRef]

Liu, Z. H.

Mennella, F.

A. Laudati, F. Mennella, M. Giordano, G. D. Altrui, C. C. Tassini, and A. Cusano, IEEE. Photon. Technol. Lett. 19, 1991 (2007).
[CrossRef]

Newson, T. P.

Shi, C. Z.

N. Zeng, C. Z. Shi, M. Zhang, L. W. Wang, Y. B. Liao, and S. R. Lai, Opt. Commun. 234, 153 (2004).
[CrossRef]

Steier, W. H.

B. Bhola and W. H. Steier, IEEE Sens. J. 7, 1759 (2007).
[CrossRef]

Sun, J. X.

Tassini, C. C.

A. Laudati, F. Mennella, M. Giordano, G. D. Altrui, C. C. Tassini, and A. Cusano, IEEE. Photon. Technol. Lett. 19, 1991 (2007).
[CrossRef]

Todd, M. D.

M. D. Todd, G. A. Johnson, B. A. Althouse, and S. T. Vohra, IEEE. Photon. Technol. Lett. 10, 1605 (1998).
[CrossRef]

Tveten, A. B.

A. Dandridge, A. B. Tveten, and T. G. Giallorenzi, IEEE. J. Quantum Electron. 18, 1647 (1982).
[CrossRef]

Vohra, S. T.

M. D. Todd, G. A. Johnson, B. A. Althouse, and S. T. Vohra, IEEE. Photon. Technol. Lett. 10, 1605 (1998).
[CrossRef]

Wang, L. W.

N. Zeng, C. Z. Shi, M. Zhang, L. W. Wang, Y. B. Liao, and S. R. Lai, Opt. Commun. 234, 153 (2004).
[CrossRef]

Wen, B. C.

B. C. Wen, in Theory of Mechanical Vibration and Its Application (High Education , 2009), pp. 24–28.

White, K. I.

K. I. White, Opt. Quantum Electron. 11, 185 (1979).
[CrossRef]

Yang, J.

Yuan, L. B.

Zeng, N.

N. Zeng, C. Z. Shi, M. Zhang, L. W. Wang, Y. B. Liao, and S. R. Lai, Opt. Commun. 234, 153 (2004).
[CrossRef]

Zhang, M.

N. Zeng, C. Z. Shi, M. Zhang, L. W. Wang, Y. B. Liao, and S. R. Lai, Opt. Commun. 234, 153 (2004).
[CrossRef]

IEEE Sens. J. (1)

B. Bhola and W. H. Steier, IEEE Sens. J. 7, 1759 (2007).
[CrossRef]

IEEE. J. Quantum Electron. (1)

A. Dandridge, A. B. Tveten, and T. G. Giallorenzi, IEEE. J. Quantum Electron. 18, 1647 (1982).
[CrossRef]

IEEE. Photon. Technol. Lett. (2)

M. D. Todd, G. A. Johnson, B. A. Althouse, and S. T. Vohra, IEEE. Photon. Technol. Lett. 10, 1605 (1998).
[CrossRef]

A. Laudati, F. Mennella, M. Giordano, G. D. Altrui, C. C. Tassini, and A. Cusano, IEEE. Photon. Technol. Lett. 19, 1991 (2007).
[CrossRef]

IEEE. Sensors. J. (1)

L. B. Yuan, J. Yang, and Z. H. Liu, IEEE. Sensors. J. 8, 1114 (2008).
[CrossRef]

Meas. Sci. Technol. (1)

D. A. Jackson, Meas. Sci. Technol. 20, 034010 (2009).
[CrossRef]

Opt. Commun. (1)

N. Zeng, C. Z. Shi, M. Zhang, L. W. Wang, Y. B. Liao, and S. R. Lai, Opt. Commun. 234, 153 (2004).
[CrossRef]

Opt. Lett. (3)

Opt. Quantum Electron. (1)

K. I. White, Opt. Quantum Electron. 11, 185 (1979).
[CrossRef]

Other (3)

W. X. Gou, in Mechanics of Materials (Science, 2005), pp. 151–203.

B. C. Wen, in Theory of Mechanical Vibration and Its Application (High Education , 2009), pp. 24–28.

R. G. Budynas, in Advanced Strength and Applied Stress Analysis, 2nd ed. (McGraw-Hill, 1999), pp. 849–857.

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Figures (8)

Fig. 1
Fig. 1

In-fiber integrated acceleration sensing system based on a twin-core fiber Michelson interferometer.

Fig. 2
Fig. 2

End surface of the twin-core fiber.

Fig. 3
Fig. 3

Refractive distribution of the twin-core fiber.

Fig. 4
Fig. 4

Testing system of the accelerometer.

Fig. 5
Fig. 5

Schematic diagram of the demodulation system.

Fig. 6
Fig. 6

Acceleration versus optical phase demodulated.

Fig. 7
Fig. 7

Signal-to-noise ratio of the accelerometer.

Fig. 8
Fig. 8

Amplitude-frequency characteristic.

Equations (7)

Equations on this page are rendered with MathJax. Learn more.

Δ ϕ = 2 π λ Δ L [ n 1 ( 1 c n 1 2 2 ) + n 2 ( 1 c n 2 2 2 ) ] ,
Δ L = d · L 2 8 E I · F ,
Δ ϕ a = π · d · L 2 4 · λ · E I [ n 1 ( 1 c n 1 2 2 ) + n 2 ( 1 c n 2 2 2 ) ] · M .
x = F 12 E I y ( y 2 3 4 L 2 ) .
X = F L 3 / 48 E I .
K = 48 E I / L 3 .
f n = 1 2 π ( K M ) 1 / 2 = 1 2 π ( 48 E I ( 17 m / 35 + m ) L 3 ) 1 / 2 .

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