A Low-Cost Fluid Switch for Frequency-Reconfigurable Vivaldi Antenna

Cristina Borda-Fortuny; Kin Fai Tong; Allann Al-Armaghany; Kai Kit Wong

doi:10.1109/LAWP.2017.2759580

A Low-Cost Fluid Switch for Frequency-Reconfigurable Vivaldi Antenna

Cristina Borda-Fortuny, Kin Fai Tong, Allann Al-Armaghany, Kai Kit Wong

Producció científica: Article en revista indexada › Article › Avaluat per experts

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Resum

A fluid switch is proposed for a frequency-agile Vivaldi antenna whose operating frequency band can be switched between two selected bands. A study of various ionized solutions of different concentrations is performed. A 2 mol KCl solution is selected as the fluid for the switch because of its relatively good properties in conductivity, relative permittivity, and loss tangent. The fluid-switched reconfigurable Vivaldi antenna can function well between two user-defined operating bands: 3.2 and 4.5 GHz with stable measured gain of 11 dBi in both bands and an isolation of 15 dB. This reconfigurable antenna demonstrates that a low-cost fluid switch may be an alternative device for reconfigurable antenna designs providing more flexibility.

Idioma original	Anglès
Número d’article	8105795
Pàgines (de-a)	3151-3154
Nombre de pàgines	4
Revista	IEEE Antennas and Wireless Propagation Letters
Volum	16
DOIs	https://doi.org/10.1109/LAWP.2017.2759580
Estat de la publicació	Publicada - 10 de nov. 2017
Publicat externament	Sí

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title = "A Low-Cost Fluid Switch for Frequency-Reconfigurable Vivaldi Antenna",

abstract = "A fluid switch is proposed for a frequency-agile Vivaldi antenna whose operating frequency band can be switched between two selected bands. A study of various ionized solutions of different concentrations is performed. A 2 mol KCl solution is selected as the fluid for the switch because of its relatively good properties in conductivity, relative permittivity, and loss tangent. The fluid-switched reconfigurable Vivaldi antenna can function well between two user-defined operating bands: 3.2 and 4.5 GHz with stable measured gain of 11 dBi in both bands and an isolation of 15 dB. This reconfigurable antenna demonstrates that a low-cost fluid switch may be an alternative device for reconfigurable antenna designs providing more flexibility.",

keywords = "Ionized solutions, reconfigurable antennas",

author = "Cristina Borda-Fortuny and Tong, {Kin Fai} and Allann Al-Armaghany and Wong, {Kai Kit}",

note = "Publisher Copyright: {\textcopyright} 2002-2011 IEEE.",

year = "2017",

month = nov,

day = "10",

doi = "10.1109/LAWP.2017.2759580",

language = "English",

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journal = "IEEE Antennas and Wireless Propagation Letters",

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T1 - A Low-Cost Fluid Switch for Frequency-Reconfigurable Vivaldi Antenna

AU - Borda-Fortuny, Cristina

AU - Tong, Kin Fai

AU - Al-Armaghany, Allann

AU - Wong, Kai Kit

PY - 2017/11/10

Y1 - 2017/11/10

N2 - A fluid switch is proposed for a frequency-agile Vivaldi antenna whose operating frequency band can be switched between two selected bands. A study of various ionized solutions of different concentrations is performed. A 2 mol KCl solution is selected as the fluid for the switch because of its relatively good properties in conductivity, relative permittivity, and loss tangent. The fluid-switched reconfigurable Vivaldi antenna can function well between two user-defined operating bands: 3.2 and 4.5 GHz with stable measured gain of 11 dBi in both bands and an isolation of 15 dB. This reconfigurable antenna demonstrates that a low-cost fluid switch may be an alternative device for reconfigurable antenna designs providing more flexibility.

AB - A fluid switch is proposed for a frequency-agile Vivaldi antenna whose operating frequency band can be switched between two selected bands. A study of various ionized solutions of different concentrations is performed. A 2 mol KCl solution is selected as the fluid for the switch because of its relatively good properties in conductivity, relative permittivity, and loss tangent. The fluid-switched reconfigurable Vivaldi antenna can function well between two user-defined operating bands: 3.2 and 4.5 GHz with stable measured gain of 11 dBi in both bands and an isolation of 15 dB. This reconfigurable antenna demonstrates that a low-cost fluid switch may be an alternative device for reconfigurable antenna designs providing more flexibility.

KW - Ionized solutions

KW - reconfigurable antennas

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A Low-Cost Fluid Switch for Frequency-Reconfigurable Vivaldi Antenna

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