TUNABLE AMPLITUDE AND PHASE MODULATION IN TERAHERTZ REGIME USING TRANSVERSE STRATIFIED CONFIGURATION | Zendy

Daniele Lo Forti | Zendy; Robert G. Lindquist | Zendy; Martin S. Heimbeck | Zendy

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TUNABLE AMPLITUDE AND PHASE MODULATION IN TERAHERTZ REGIME USING TRANSVERSE STRATIFIED CONFIGURATION

Author(s) -

Daniele Lo Forti,

Robert G. Lindquist,

Martin S. Heimbeck

Publication year - 2015

Publication title -

electromagnetic waves

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 89

eISSN - 1559-8985

pISSN - 1070-4698

DOI - 10.2528/pier14092002

Subject(s) - terahertz radiation , transverse plane , amplitude , amplitude modulation , modulation (music) , phase modulation , phase (matter) , optics , physics , frequency modulation , telecommunications , acoustics , bandwidth (computing) , computer science , engineering , quantum mechanics , structural engineering

A number of transverse stratified configurations of metal and dielectric layers are studied for modulating Terahertz radiation in amplitude and phase. Pass band flat-top response and high wide-band transmission is achieved by means of a metallic grating filled with Liquid Crystal (LC) in different configurations and with the use of either grazing angles of incidence or cuts pierced within the grating. The transverse configuration with thin LC films allows for high speed tunability with low applied voltage. A dielectric grating with non-continuous electrodes is studied showing wide pass band response suitable for phase modulation applications.

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