Magneto-optic garnet

Details Magneto-optic garnet Magneto-optic garnet

G - Physics

11

B

345/55, 148/2.55

G11B 11/10 (2006.01) H01F 10/24 (2006.01)

Patent

CA 1316085

Abstracts of the invention This invention provids a magneto-optic garnet grown by liquid phase epitaxy on a nonmagnetic garnet substrate and having a composition of the following formula (1) HoxTbyBi0-x-yFe5O1 2 (1) wherein 0.3?y/x?1.0 and x+y<3Ø According to this invention there is provided a magneto-optic garnet as a Faraday rotator for use in an optical isolator, optical circulator, etc., utilizing Faraday effect, which has a very large Faraday rotation coefficient, a small difference in lattice constant from a nonmagnetic garnet substrate, exhibits a mirror face without causing a film defect (or so-called pit), and has a small temperature dependency.

591874

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