Photomagnetic field sensor

Details Photomagnetic field sensor Photomagnetic field sensor

2006-07-04

2006-07-04

Ledynh, Bot (Department: 2862)

Electricity: measuring and testing

Magnetic

Magnetometers

C359S280000

Reexamination Certificate

active

07071687

ABSTRACT:
A photo magnetic field sensor includes a Faraday rotator made of a paramagnetic material, a polarizer, an analyzer, a light-irradiating element, and a light-sensing element. The Faraday rotator is made of a paramagnetic garnet single crystal including at least Tb and Al.

REFERENCES:
patent: 3368861 (1968-02-01), Rubinstein et al.
patent: 3420601 (1969-01-01), Graf et al.
patent: 3484152 (1969-12-01), Robinson
patent: 3827036 (1974-07-01), O'Donnell et al.
patent: 4222668 (1980-09-01), Henry
patent: 4563236 (1986-01-01), Ross et al.
patent: 4608535 (1986-08-01), Tada et al.
patent: 4843232 (1989-06-01), Emo et al.
patent: 4896103 (1990-01-01), Shimanuki et al.
patent: 5245689 (1993-09-01), Gualtieri
patent: 5483161 (1996-01-01), Deeter et al.
patent: 5493222 (1996-02-01), Shirai et al.
patent: 5493984 (1996-02-01), Miyazawa et al.
patent: 5861741 (1999-01-01), Itoh
patent: 5969517 (1999-10-01), Rao
patent: 6108120 (2000-08-01), Kawai et al.
patent: 6392784 (2002-05-01), Ikeda et al.
patent: 6678433 (2004-01-01), Kim et al.
patent: 6717713 (2004-04-01), Onaka et al.
patent: 6833694 (2004-12-01), Ikekame
patent: 2003/0210451 (2003-11-01), Onaka et al.
patent: 2005/0145868 (2005-07-01), Kummer et al.
patent: 001095998 (2001-05-01), None
patent: 5-072307 (1993-03-01), None
patent: 07-010694 (1995-01-01), None
patent: 2001-208818 (2001-08-01), None
patent: 2001-226196 (2001-08-01), None
M.J. Weber et al., Rare Earth Faraday Rotator Materials for Lasers, abstract therefor, published by Elsevier Sequoia, Journal of the Less Common Metals, 93 (1983), pp. 276-277.
Official Communication dated Jan. 18, 2006, issued in the corresponding Japanese Patent Application No. 2002-275989.

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