Abstract

The dynamic performances of magneto-optical Bi-substituted rare-earth iron garnet (BIG) under different external magnetic fields and at different frequencies are experimentally studied. The measurement data indicate that the Faraday rotation angle is almost proportional to the external magnetic field when the garnet is far less saturated, while there is good switch performance when it is saturated. The higher the working frequency is, the larger the saturation magnetic field and the phase delay of Faraday angle relative to the field. The saturation fields and the phase delays at different frequencies are measured. The dynamic performance of the BIG determines the performance of BIG-based optical devices. To get the better performance of such devices, the garnets with small dampness and large stiffness should be chosen elaborately.

© 2005 Chinese Optics Letters

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References

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  1. J. Ouyang, Y. Zhang, and H. He, Acta Opt. Sin. (in Chinese) 14, 882 (1994).
  2. Y. M. Hu, Z. Meng, Z. Chen, Y. B. Liao, D. Cao, and M. Ni, Chin. J. Lasers (in Chinese) 26, 511 (1999).
  3. A. Paoletti, Physics of Magnetic Garnet (North-Holland Publishing Co., New York, 1977) p.392.
  4. R. Wolfe, E. M. Gyorgy, R. A. Lieberman, V. J. Fratello, S. J. Licht, M. N. Deeterm, and G. W. Day, in proceedings of 8th Optical Fiber Sensors Conference 390 (1992).
  5. X. L. Liu, G. Q. Liu, and S. G. Jin, Magneto-Optical Material and Magneto-Optical Device (in Chinese) (Press of Beijing Science and Technology, Beijing, 1990) p.105.
  6. G. Winkler, Magnetic Garnets (Friedr. Vieweg, Braunschweig, 1981) p.246.

1999 (1)

Y. M. Hu, Z. Meng, Z. Chen, Y. B. Liao, D. Cao, and M. Ni, Chin. J. Lasers (in Chinese) 26, 511 (1999).

1994 (1)

J. Ouyang, Y. Zhang, and H. He, Acta Opt. Sin. (in Chinese) 14, 882 (1994).

Acta Opt. Sin. (in Chinese) (1)

J. Ouyang, Y. Zhang, and H. He, Acta Opt. Sin. (in Chinese) 14, 882 (1994).

Chin. J. Lasers (in Chinese) (1)

Y. M. Hu, Z. Meng, Z. Chen, Y. B. Liao, D. Cao, and M. Ni, Chin. J. Lasers (in Chinese) 26, 511 (1999).

Other (4)

A. Paoletti, Physics of Magnetic Garnet (North-Holland Publishing Co., New York, 1977) p.392.

R. Wolfe, E. M. Gyorgy, R. A. Lieberman, V. J. Fratello, S. J. Licht, M. N. Deeterm, and G. W. Day, in proceedings of 8th Optical Fiber Sensors Conference 390 (1992).

X. L. Liu, G. Q. Liu, and S. G. Jin, Magneto-Optical Material and Magneto-Optical Device (in Chinese) (Press of Beijing Science and Technology, Beijing, 1990) p.105.

G. Winkler, Magnetic Garnets (Friedr. Vieweg, Braunschweig, 1981) p.246.

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