Optical switch, and apparatus and method for controlling...

Details Optical switch, and apparatus and method for controlling... Optical switch, and apparatus and method for controlling...

2005-03-18

2008-11-04

Healy, Brian (Department: 2883)

Optical waveguides

With optical coupler

Switch

C385S015000, C385S016000, C385S017000, C385S024000, C385S037000, C398S081000

Reexamination Certificate

active

07447399

ABSTRACT:
In an optical switch comprising a wavelength spatially dispersive optical element for spatially dispersing a wavelength-multiplexed beam according to wavelengths, a plurality of output ports and a plurality of mirrors onto which beams dispersed by the element are irradiated, and each of which is able to direct a reflected beam to any one of the plural output ports, when an incident position of a reflected beam irradiated onto any one of the output ports is changed, the angle of the reflecting surface of a corresponding mirror among the plural mirrors is changed in a direction other than a direction in which the mirrors are arranged, whereby a protuberance in the vicinity of the out-band (side lobe) of the transmission band characteristic of the optical switch can be suppressed.

REFERENCES:
patent: 6501877 (2002-12-01), Weverka et al.
patent: 6594415 (2003-07-01), Cappiello et al.
patent: 6707959 (2004-03-01), Ducellier et al.
patent: 6798941 (2004-09-01), Smith et al.
patent: 2002/0071627 (2002-06-01), Smith et al.
patent: 2002/0191894 (2002-12-01), Culver et al.
patent: 2004/0252938 (2004-12-01), Ducellier et al.
patent: WO 03/098856 (2003-11-01), None

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