Optical waveguides – With optical coupler – Particular coupling function
Reexamination Certificate
2006-05-09
2006-05-09
Ullah, Akm Enayet (Department: 2874)
Optical waveguides
With optical coupler
Particular coupling function
C385S014000, C385S039000, C333S219100
Reexamination Certificate
active
07043115
ABSTRACT:
A tunable filter having a resonator with a resonant frequency dependent upon a variable gap is provided. The variable gap may be controllably altered by use of an actuator. The resonator is a high Q resonator that may be formed by a ring resonator, microsphere, microdisc, or other high Q optical structures. Actuation is preferably achieved through an electrostatic actuator that moves a dielectric plate relative to the resonator in response to measured values of gap and temperature.
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Marshall & Gerstein & Borun LLP
Rosemount Inc.
Ullah Akm Enayet
Wood Kevin S.
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