Material for wide-band optical isolators and process for produci

Details Material for wide-band optical isolators and process for produci Material for wide-band optical isolators and process for produci

1995-05-26

1996-12-17

Kunemund, Robert

Single-crystal, oriented-crystal, and epitaxy growth processes;

Processes of growth from solid or gel state

117 7, 117 10, 117945, C30B 110

Patent

active

055849288

ABSTRACT:
A material for use in a 1.5 .mu.m wide-band optical isolator, includes a bismuth-substituted terbium-iron garnet single crystal having a composition of Bi.sub.x Tb.sub.3-x Fe.sub.5 O.sub.12 in which x is 0.35 to 0.45. This bismuth-substituted terbium-iron garnet single crystal is grown by a solid phase reaction. A process for producing such a material is also disclosed.

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Tamaki et al., "Magneto-Optical Properties of (TbBI)3Fe5012 and its Application to a 1.5.mu.m Wideband Optical Isolator" 1991, pp. 4581-4583.
Journal of Applied Physics, vol. 70, No. 8, pp. 4581-4583, T. Tamaki et al., "Magnetooptical Properties of (TbBi).sub.3 Fe.sub.5 O.sub.12 And Its Application to a 1.5.mu.m Wideband Optical Isolator".
Patent Abstracts of Japan, vol. 12, No. 242, Jul. 8, 1988 & JP-A-63-035490, Feb. 16, 1988, Abstract.
Patent Abstracts of Japan, vol. 15, No. 403, Oct. 15, 1991 & JP-A-03 164491, Jul. 16, 1991, Abstract.
Patent Abstracts of Japan, vol. 11, No. 273, Sep. 4, 1987 & JP-A-62 078195, Apr. 10, 1987, Abstract.

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