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Waveguide dielectric phase shifter with fast piezoelectric control

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4 Author(s)

Low loss dielectric phase shifter is elaborated on the base of "dielectric-air slot" layered structure. Its effective dielectric constant (εef) is controlled by means of fast piezoelectric actuator that changes the width of the air slot. A waveguide, being partially filled by such ε-agile "sandwich"-like structure, produces a controllable phase shift.

Published in:

IEEE MTT-S International Microwave Symposium Digest, 2005.

Date of Conference:

12-17 June 2005