Optically transparent frequency‐agile antenna for X‐band applications | Zendy

Martin A. | Zendy; Castel X. | Zendy; Lafond O. | Zendy; Himdi M. | Zendy

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Optically transparent frequency‐agile antenna for X‐band applications

Author(s) -

Martin A.,

Castel X.,

Lafond O.,

Himdi M.

Publication year - 2015

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

eISSN - 1350-911X

pISSN - 0013-5194

DOI - 10.1049/el.2015.1203

Subject(s) - agile software development , antenna (radio) , reconfigurable antenna , frequency agility , materials science , optics , optoelectronics , computer science , microstrip antenna , electronic engineering , physics , telecommunications , engineering , coaxial antenna , radar , software engineering

The performance of an optically transparent and frequency‐agile antenna operating from 8.8 to 9.8 GHz is reported. The transparent square‐loop coplanar antenna is made of a mesh silver film printed onto a glass substrate. A high level of transparency ( T > 80%) and low sheet resistance ( Rs < 0.2 Ω/sq) are achieved from such a material. Antenna tunability is provided by a surface mounted beam‐lead varactor which is invisible to the naked eye. The microwave performance of such an antenna is reported, discussed and compared with that of a reference counterpart made of a continuous silver layer (and thus totally opaque). The optically transparent frequency‐agile antenna exhibits gain values ranging from 1 to 3.5 dBi with 10.8% of frequency tunability.

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