Ahmad, Redwan, Zhuldybina, Mariia, Ropagnol, Xavier, Trinh, Ngoc Duc, Bois, Chloé, Schneider, Juan et Blanchard, François.
2023.
« Reconfigurable terahertz moiré frequency selective surface based on additive manufacturing technology ».
Applied Sciences, vol. 13, nº 5.
Compte des citations dans Scopus : 5.
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Résumé
We designed and fabricated a terahertz (THz) frequency selective surface (FSS) based on two distinct additive manufacturing technologies, namely, printable electronics (PE) and three-dimensional (3D) printing. Silver nanoparticle ink was printed on a polyethylene terephthalate (PET) substrate utilizing a large-scale roll-to-roll industrial PE technique with a flexographic printed unit, while the 3D-printed THz FSS was fabricated based on a powder bed fusion-selective laser melting system. The filtering characteristics of both types of FSS were verified through calculation, simulation, and experiments. Furthermore, the rotational tuning approach was applied to two identical FSS to form reconfigurable FSS which could be defined as Moiré FSS. Based on the numerical results obtained, our proposed technique which used a PE-based Moiré FSS achieves a 58% modulation depth at 0.25 THz, while experimental verification found a modulation depth of 41% at 0.22 THz, confirming that its adoption is simple and cost-effective. To the best of our knowledge, this is the first demonstration of a Moiré reconfigurable printed FSS operating in the THz region
| Type de document: | Article publié dans une revue, révisé par les pairs |
|---|---|
| Professeur: | Professeur Zhuldybina, Mariia Blanchard, François |
| Affiliation: | Génie électrique, Génie électrique |
| Date de dépôt: | 06 avr. 2023 21:53 |
| Dernière modification: | 12 avr. 2023 18:28 |
| URI: | https://espace2.etsmtl.ca/id/eprint/26309 |
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