Abstract

A measurement of the variation of the Verdet constant of terbium gallium garnet as a function of temperature was made for visible and near-infrared wavelengths. By combining results of the angle of rotation presented here with previously published absolute measurements, we determined the Verdet constant as a function of wavelength for wavelengths extending from about 0.5 to 1.1 μm. Data correlated well with paramagnetic models. Such information is necessary to determine the angle of rotation as well as the variation of the extinction ratio of a Faraday isolator with temperature.

© 1992 Optical Society of America

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References

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  1. F. A. Jenkins and H. E. White, Fundamentals of Optics, 4th ed. (McGraw-Hill, New York, 1976).
  2. Technical Data Sheet, Jobmaster Corporation, Randallstown, Md. 21133 (March 1986).
  3. A. B. Villaverde, D. A. Donatti, and D. G. Bozinis, “Terbium gallium garnet Verdet constant measurements with pulsed magnetic field,” J. Phys. C. Solid State Phys. 11, L495–L497 (1978).
    [CrossRef]

1978 (1)

A. B. Villaverde, D. A. Donatti, and D. G. Bozinis, “Terbium gallium garnet Verdet constant measurements with pulsed magnetic field,” J. Phys. C. Solid State Phys. 11, L495–L497 (1978).
[CrossRef]

Bozinis, D. G.

A. B. Villaverde, D. A. Donatti, and D. G. Bozinis, “Terbium gallium garnet Verdet constant measurements with pulsed magnetic field,” J. Phys. C. Solid State Phys. 11, L495–L497 (1978).
[CrossRef]

Donatti, D. A.

A. B. Villaverde, D. A. Donatti, and D. G. Bozinis, “Terbium gallium garnet Verdet constant measurements with pulsed magnetic field,” J. Phys. C. Solid State Phys. 11, L495–L497 (1978).
[CrossRef]

Jenkins, F. A.

F. A. Jenkins and H. E. White, Fundamentals of Optics, 4th ed. (McGraw-Hill, New York, 1976).

Villaverde, A. B.

A. B. Villaverde, D. A. Donatti, and D. G. Bozinis, “Terbium gallium garnet Verdet constant measurements with pulsed magnetic field,” J. Phys. C. Solid State Phys. 11, L495–L497 (1978).
[CrossRef]

White, H. E.

F. A. Jenkins and H. E. White, Fundamentals of Optics, 4th ed. (McGraw-Hill, New York, 1976).

J. Phys. C. Solid State Phys. (1)

A. B. Villaverde, D. A. Donatti, and D. G. Bozinis, “Terbium gallium garnet Verdet constant measurements with pulsed magnetic field,” J. Phys. C. Solid State Phys. 11, L495–L497 (1978).
[CrossRef]

Other (2)

F. A. Jenkins and H. E. White, Fundamentals of Optics, 4th ed. (McGraw-Hill, New York, 1976).

Technical Data Sheet, Jobmaster Corporation, Randallstown, Md. 21133 (March 1986).

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Figures (3)

Fig. 1
Fig. 1

Experimental arrangement.

Fig. 2
Fig. 2

Variation of the angle of rotation with inverse temperature.

Fig. 3
Fig. 3

Wavelength variation of the Verdet constant.

Tables (1)

Tables Icon

Table 1 Fitted Parameters for the Temperature Variation of the Angle of Rotation and the Verdet Constant

Equations (9)

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R = cos 2 ( θ 45 ° ) / cos 2 ( θ + 45 ° ) = [ 1 + sin ( 2 θ ) ] / [ 1 + sin ( 2 θ ) ] .
θ = B V l .
d θ d T = B T V l + V T B l + α B V l .
1 θ d θ d T = 1 B B T + 1 V V T .
θ = a / T ,
θ = a / T + b .
1 V V T = 3.47 × 10 3 / K .
V C / ( λ 2 λ r 2 ) .
θ T = a T 2 .

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