Waveguide dielectric phase shifter with fast piezoelectric control

Waveguide dielectric phase shifter with fast piezoelectric control

Low loss dielectric phase shifter is elaborated on the base of "dielectric-air slot" layered structure. Its effective dielectric constant (/spl epsiv//sub ef/) is controlled by means of fast piezoelectric actuator that changes the width of the air slot. A waveguide, being partially filled...

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Bibliographische Detailangaben
Hauptverfasser: Kazmirenko, V., Poplavko, Y., Jeong, M., Baik, S.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Dielectric losses
Dielectric materials
Electromagnetic waveguides
Ferroelectric materials
Frequency
Phase shifters
Phased arrays
Piezoelectric actuators
Waveguide components
Waveguide discontinuities
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Beschreibung
Zusammenfassung:Low loss dielectric phase shifter is elaborated on the base of "dielectric-air slot" layered structure. Its effective dielectric constant (/spl epsiv//sub ef/) is controlled by means of fast piezoelectric actuator that changes the width of the air slot. A waveguide, being partially filled by such /spl epsiv/-agile "sandwich"-like structure, produces a controllable phase shift.
ISSN:0149-645X
2576-7216
DOI:10.1109/MWSYM.2005.1516853