Optical: systems and elements – Optical modulator – Light wave directional modulation
Reexamination Certificate
2006-03-21
2008-08-05
Choi, William C (Department: 2873)
Optical: systems and elements
Optical modulator
Light wave directional modulation
C359S316000
Reexamination Certificate
active
07408700
ABSTRACT:
An optical switch which minimizes losses in the power of output light while enabling deflection of light within a range of comparatively large deflection angles used for setting switching among output ports. The optical switch is configured to have a first light deflection element deflecting the input light at an angle appropriate to a position of an designated port with an applied first drive voltage; and a second light deflection element finely adjusting a deflection angle of the light output from the first deflection element to the designated port with an applied second drive voltage such that power of light output from the designated port becomes maximum.
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Kai Yutaka
Yoshida Setsuo
Choi William C
Fujitsu Limited
Staas & Halsey , LLP
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