Optical device

Optical waveguides – Accessories – Attenuator

Reexamination Certificate

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C385S039000

Reexamination Certificate

active

07082251

ABSTRACT:
An optical device is configured such that an insertion plate is held by a flat cantilever having electric wiring, and the flat magnet is placed in such a manner that the magnet faces a surface of the cantilever opposite to the other surface of the cantilever facing an optical waveguide, and that the current flowing through the electric wiring is controlled in this state so that the Lorentz force caused by the interaction between the current and the magnetic field displaces the cantilever to drive the insertion plate, and to insert or remove the insertion plate into or out of the slit provided in the optical waveguide to switch the optical path of signal light or to adjust the quantity of an optical beam.

REFERENCES:
patent: 5016978 (1991-05-01), Fargette et al.
patent: 6360036 (2002-03-01), Couillard
patent: 6493482 (2002-12-01), Al-hemyari et al.
patent: 6628452 (2003-09-01), Haeberle et al.
patent: 6633212 (2003-10-01), Ruan et al.
patent: 6936950 (2005-08-01), Akagawa et al.
patent: 2001/0017957 (2001-08-01), Horino et al.
patent: 1324453 (2001-11-01), None
patent: 2-131210 (1990-05-01), None
patent: 05-257069 (1993-10-01), None
patent: 11-119123 (1999-04-01), None
patent: 2003-35875 (2003-02-01), None
patent: WO 00/25160 (2000-05-01), None

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