Optical switch and method of adjusting optical switch

Details Optical switch and method of adjusting optical switch Optical switch and method of adjusting optical switch

2008-02-29

2009-11-03

Song, Sarah (Department: 2874)

Optical waveguides

With optical coupler

Switch

C385S024000

Reexamination Certificate

active

07613370

ABSTRACT:
An optical switch includes an input port into which a multiplexed optical signal is input; a dispersing unit that, according to wavelength, disperses the multiplexed optical signal into a plurality of optical signals that are each dispersed in a unique direction; a converging unit that converges the dispersed optical signals; plural mirrors that are arrayed forming a single row in a plane and reflecting the converged optical signals, respectively; and plural output ports through which the reflected optical signals are output. Each of the mirrors has a concave reflective surface that is in the plane and of a predetermined curvature about an axis parallel to the plane.

REFERENCES:
patent: 6983089 (2006-01-01), Takushima et al.
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patent: 2006/0093256 (2006-05-01), Yamashita et al.
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patent: 2006/0239608 (2006-10-01), Akashi
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patent: 2006-133336 (2006-05-01), None
patent: 2006-276216 (2006-10-01), None
“Effect of Mirror curvature in MEMS micro-mirror based wavelength-selective switches” by Dan M. Marom, David T. Neilson, Roland Ryf, and Herbert R. Shea.
Japanese Office Action issued on Feb. 19, 2009 corresponding Japanese Patent Application 2007-085453.

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