E-Band Vertically Aligned Carbon Nanotubes-Based Air-Filled Waveguide

This letter presents a new type of E-band vertically aligned carbon nanotubes (VACNTs)-based air-filled waveguide (AFWG). This original concept is based on the use of bundle of VACNTs as equivalent WG's metallic lateral walls. The WG is designed by applying a full-wave three dimensions electrom...

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Published inIEEE microwave and wireless technology letters (Print) Vol. 33; no. 4; pp. 395 - 398
Main Authors de Saxce, Joseph M., Siah, Chun Fei, Wei, Tan Chong, Passerieux, Damien, Bila, Stephane, Podevin, Florence, Tay, Beng Kang, Coquet, Philippe, Baillargeat, Dominique
Format Journal Article
LanguageEnglish
Published IEEE 01.04.2023
Institute of Electrical and Electronics Engineers
Subjects
Air-filled waveguide (AFWG)
Attenuation
carbon nanotubes (CNTs)
Coplanar waveguides
Cutoff frequency
Engineering Sciences
Fabrication
Gold
Micro and nanotechnologies
Microelectronics
millimeter-wave (mm-wave)
nanopackaging
Scattering parameters
Substrates
millimeter-wave (mm-wave)
Air-filled waveguide (AFWG)
carbon nanotubes (CNTs)
nanopackaging
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Summary:This letter presents a new type of E-band vertically aligned carbon nanotubes (VACNTs)-based air-filled waveguide (AFWG). This original concept is based on the use of bundle of VACNTs as equivalent WG's metallic lateral walls. The WG is designed by applying a full-wave three dimensions electromagnetic software and an equivalent VACNTs bulk model. Then, the WG is fabricated using a CMOS compatible CNTs transfer process and a dedicated assembly process. For the first time, the concept of the CNTs-based AFWG is validated by measurements, and an experimental attenuation constant is estimated at 0.5 dB/mm between 81 and 86 GHz.
ISSN:2771-957X
2771-9588
DOI:10.1109/LMWT.2022.3227946