Abstract

A novel fiber optic Fabry-Perot (F-P) current sensor is developed based on magnetic fluid as the medium in F-P interference cavity. A signal demodulation method based on slanted fiber Bragg grating (FBG) wavelength measurement system is proposed. Theory and principle of electromagnetic-controlled refractive index of the magnetic fluid is described, as well as the structure of the sensor system. Preliminary experiments are carried out, and the results indicate that there is a fairly good linearity of the measurement characteristic. The thickness of magnetic fluid film and initial concentration will affect the measurement results.

© 2010 Chinese Optics Letters

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2008 (2)

2006 (1)

C. Dong, G. Liu, and T. Chen, Proc. SPIE 6280, 62801D (2006).

2004 (1)

C. Jauregui, Meas. Sci. Technol. 15, 1596 (2004).

2000 (2)

O. Baltag, D. Costandache, and A. Salceanu, Sens. Actuat. A 81, 336 (2000).

S. Y. Yang, I. J. Yang, H. E. Horng, C.-Y. Hong, and H. C. Yang, Magnitnaya Gidrodinamika 36, 19 (2000).

1999 (1)

C. Cotae and O. Baltag, J. Magn. Magn. Mater. 201, 394 (1999).

1997 (1)

N. C. Popa, I. Potencz, I. Anton, and L. Vekas, Sens. Actuat. A 59, 307 (1997).

1935 (1)

D. A. G. Bruggeman, Ann. Physik (in German) 416, 636 (1935).

Anton, I.

N. C. Popa, I. Potencz, I. Anton, and L. Vekas, Sens. Actuat. A 59, 307 (1997).

Baltag, O.

O. Baltag, D. Costandache, and A. Salceanu, Sens. Actuat. A 81, 336 (2000).

C. Cotae and O. Baltag, J. Magn. Magn. Mater. 201, 394 (1999).

Bruggeman, D. A. G.

D. A. G. Bruggeman, Ann. Physik (in German) 416, 636 (1935).

Chen, J.

Chen, T.

C. Dong, G. Liu, and T. Chen, Proc. SPIE 6280, 62801D (2006).

Chen, X.

Costandache, D.

O. Baltag, D. Costandache, and A. Salceanu, Sens. Actuat. A 81, 336 (2000).

Cotae, C.

C. Cotae and O. Baltag, J. Magn. Magn. Mater. 201, 394 (1999).

Di, Z.

Dong, C.

C. Dong, G. Liu, and T. Chen, Proc. SPIE 6280, 62801D (2006).

Hong, C.-Y.

S. Y. Yang, I. J. Yang, H. E. Horng, C.-Y. Hong, and H. C. Yang, Magnitnaya Gidrodinamika 36, 19 (2000).

Horng, H. E.

S. Y. Yang, I. J. Yang, H. E. Horng, C.-Y. Hong, and H. C. Yang, Magnitnaya Gidrodinamika 36, 19 (2000).

Jauregui, C.

C. Jauregui, Meas. Sci. Technol. 15, 1596 (2004).

Li, X.

Liu, G.

C. Dong, G. Liu, and T. Chen, Proc. SPIE 6280, 62801D (2006).

Liu, T.

Nie, Y.

Popa, N. C.

N. C. Popa, I. Potencz, I. Anton, and L. Vekas, Sens. Actuat. A 59, 307 (1997).

Potencz, I.

N. C. Popa, I. Potencz, I. Anton, and L. Vekas, Sens. Actuat. A 59, 307 (1997).

Salceanu, A.

O. Baltag, D. Costandache, and A. Salceanu, Sens. Actuat. A 81, 336 (2000).

Sang, M.

Vekas, L.

N. C. Popa, I. Potencz, I. Anton, and L. Vekas, Sens. Actuat. A 59, 307 (1997).

Yang, H. C.

S. Y. Yang, I. J. Yang, H. E. Horng, C.-Y. Hong, and H. C. Yang, Magnitnaya Gidrodinamika 36, 19 (2000).

Yang, I. J.

S. Y. Yang, I. J. Yang, H. E. Horng, C.-Y. Hong, and H. C. Yang, Magnitnaya Gidrodinamika 36, 19 (2000).

Yang, S. Y.

S. Y. Yang, I. J. Yang, H. E. Horng, C.-Y. Hong, and H. C. Yang, Magnitnaya Gidrodinamika 36, 19 (2000).

Zhang, D.

Zhang, J.

Zou, Y.

Ann. Physik (in German) (1)

D. A. G. Bruggeman, Ann. Physik (in German) 416, 636 (1935).

Chin. Opt. Lett. (2)

J. Magn. Magn. Mater. (1)

C. Cotae and O. Baltag, J. Magn. Magn. Mater. 201, 394 (1999).

Magnitnaya Gidrodinamika (1)

S. Y. Yang, I. J. Yang, H. E. Horng, C.-Y. Hong, and H. C. Yang, Magnitnaya Gidrodinamika 36, 19 (2000).

Meas. Sci. Technol. (1)

C. Jauregui, Meas. Sci. Technol. 15, 1596 (2004).

Proc. SPIE (1)

C. Dong, G. Liu, and T. Chen, Proc. SPIE 6280, 62801D (2006).

Sens. Actuat. A (2)

N. C. Popa, I. Potencz, I. Anton, and L. Vekas, Sens. Actuat. A 59, 307 (1997).

O. Baltag, D. Costandache, and A. Salceanu, Sens. Actuat. A 81, 336 (2000).

Other (1)

W. Yang, Z. Wang, Q. Yang, and D. Li, in Proceedings of the 11th International Conference on Electrical Machines and Systems 2008 4119 (2008).

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