Effects of Concentration, Temperature, and Geometry on Double Spiral Liquid Orbital Angular Momentum Antenna

Yu, Zhong; Gao, Qi; He, Bin; Guo, Lin

doi:10.1109/lawp.2021.3115905

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2023

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“…While water-based antenna can be regarded as a kind of dielectric resonant antennas. Water is used as the main part of the antenna, which is generally used to realize miniaturization or reconfiguration, such as water inverted L-antenna [4], fan-shaped water antenna [5], orbital angular momentum antenna [6,7], etc. Researchers have been working on recreating traditional antenna structures with water to obtain new electromagnetic properties and applications.…”

Section: Introductionmentioning

confidence: 99%

A hemispherical helical water antenna array for directional high-gain radiation

Yang

et al. 2023

Phys. Scr.

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This letter proposed a water antenna with a novel shape of hemispherical helix made of pure water. Plastic water pipe is bent into a hemispherical helix and filled with water to form helical arm of the antenna. The water arm acts as a director, which enables the antenna to obtain a wide-angle radiation characteristic in the axial direction with a beam width of 95.5°. The impedance bandwidth of the antenna (S11< -10 dB) is 1.30-1.89 GHz. Based on this antenna, a four-element antenna array is also designed. A quasi-Butler matrix is used to feed this antenna array to achieve a reconfigurable pattern. The antenna array can achieve directional high-gain radiation in five directions, covering a total range of 66°. The maximum gain of the array in the effective frequency band can reach 13.8 dBi.

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Section: Introductionmentioning

confidence: 99%

A hemispherical helical water antenna array for directional high-gain radiation

Yang

et al. 2023

Phys. Scr.

View full text Add to dashboard Cite

show abstract

Effects of Concentration, Temperature, and Geometry on Double Spiral Liquid Orbital Angular Momentum Antenna

Cited by 1 publication

References 18 publications

A hemispherical helical water antenna array for directional high-gain radiation

A hemispherical helical water antenna array for directional high-gain radiation

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