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Polypropylene-substrate-based SRR- and CSRR- metasurfaces for submillimeter waves.

M Aznabet¹, M Navarro-Cía, S A Kuznetsov

¹Millimeter and Terahertz Waves Laboratory, Universidad Pública de Navarra, Campus Arrosadía, Pamplona, Spain.

|October 30, 2008

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Researchers fabricated low-loss millimeter wave metamaterials using polypropylene substrates and photolithography. These split ring resonator (SRR) and complementary SRR (CSRR) metasurfaces show potential for terahertz applications due to the substrate

Area of Science:

Metamaterials Science
Electromagnetics
Materials Science

Background:

Metamaterials offer unique electromagnetic properties.
Low-loss substrates are crucial for high-frequency applications.
Polypropylene is a potential substrate for terahertz metamaterials.

Purpose of the Study:

To fabricate and characterize low-loss millimeter wave metamaterials.
To investigate the transmission and reflection properties of SRR and CSRR metasurfaces.
To assess the feasibility of scaling these metamaterials to terahertz frequencies.

Main Methods:

Conventional contact photolithography for patterning polypropylene substrates.
Numerical simulations and experimental measurements of transmission and reflection.

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Co- and cross-polarization excitations under normal incidence.

Main Results:

Fabrication of low-loss millimeter wave metamaterials on polypropylene.
Demonstrated transmission and reflection properties of SRR and CSRR metasurfaces up to submillimeter frequencies.
Experimental validation of numerical models.

Conclusions:

Polypropylene substrates enable low-loss metamaterial fabrication for millimeter wave and submillimeter wave frequencies.
The demonstrated SRR and CSRR metasurfaces are scalable to terahertz frequencies.
Feasibility of left-handed metamaterials derived from these structures.