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Rapid prototyping of flexible terahertz metasurfaces using a microplotter

Abstract : Additive manufacturing is a promising tool for the rapid prototyping of terahertz metamaterials at low-cost. In this letter, a terahertz metamaterial is fabricated using a microplotter system on a flexible polyimide film. The limits of the rapid prototyping technique is investigated both experimentally and numerically in order to determine the spectral range accessible by the fabricated metamaterials. Here, the metamaterial is composed of four arrays of metal-insulatormetal (MIM) antennas exhibiting a Fabry Perot resonance at frequencies from 0.25 to 0.8 THz. From a structural analysis of the printed antennas, we determined that the printing resolution is limited to about 5 µm. The arrays are analyzed by terahertz time-domain spectroscopy (THz-TDS). The good agreement between THz-TDS measurements and numerical simulations showed that the microplotter system can be used for rapid prototyping by adjusting a limited number of fabrication parameters.
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https://hal.archives-ouvertes.fr/hal-03162323
Contributor : Laurine Wibaux <>
Submitted on : Monday, March 8, 2021 - 2:16:02 PM
Last modification on : Thursday, May 20, 2021 - 12:32:01 PM
Long-term archiving on: : Wednesday, June 9, 2021 - 7:06:18 PM

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Arthur Salmon, Mélanie Lavancier, Cyprien Brulon, Laure Coudrat, Baptiste Fix, et al.. Rapid prototyping of flexible terahertz metasurfaces using a microplotter. Optics Express, Optical Society of America - OSA Publishing, 2021, 29 (6), pp.8617-8625. ⟨10.1364/OE.416228⟩. ⟨hal-03162323⟩

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