RF MEMS Technology and Progress

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "A:Physics".

Deadline for manuscript submissions: 31 March 2025 | Viewed by 636

Special Issue Editor


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Guest Editor
Key Laboratory of MEMS of the Ministry of Education, School of Electronic Science & Engineering, Southeast University, Nanjing 210096, China
Interests: micro sensors; wireless passive sensor systems; RF MEMS
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Special Issue Information

Dear Colleagues,

RF MEMS is a type of MEMS device that processes radio frequency signals. RF MEMS can utilize MEMS technology to manufacture on-chip transmission lines, RF cavities, three-dimensional inductors, couplers, varactors, switches, filters, phase shifters and antennas. Compared with traditional RF devices, RF MEMS devices have many advantages, including their small size, insensitivity to acceleration, low DC power consumption, and ability to be fabricated on low-cost silicon or glass substrates. In addition, RF MEMS devices can be integrated with traditional silicon-based and gallium arsenide-based circuits, enabling miniaturization of RF processing systems. These advantages have led to significant applications in fields such as mobile communications, satellites, radars, etc. Accordingly, this Special Issue seeks to showcase research papers, short communications, and review articles that focus on novel technology and progress in RF MEMS and its use for various RF systems.

Dr. Lifeng Wang
Guest Editor

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Keywords

  • RF MEMS
  • switch
  • filters
  • ase shifters
  • varactors
  • inductors
  • antenna
  • reconfigurable
  • tuneable

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Published Papers (1 paper)

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Research

11 pages, 6036 KiB  
Article
A Compact Wideband Vivaldi Antenna for Non-Invasive Glucose Monitoring
by Shasha Yang, Yu Wang, Shiwen Gao, Yi Zhuang, Lifeng Wang, Zhenxiang Yi and Weixun Zhang
Micromachines 2024, 15(11), 1389; https://doi.org/10.3390/mi15111389 - 16 Nov 2024
Viewed by 507
Abstract
Due to the high gain, wide bandwidth, and directional radiation characteristics of Vivaldi antennas, this paper conducted relevant research on the feasibility of non-destructive blood glucose detection based on Vivaldi antennas. The research included finite element method (FEM) simulation and glucose concentration monitoring. [...] Read more.
Due to the high gain, wide bandwidth, and directional radiation characteristics of Vivaldi antennas, this paper conducted relevant research on the feasibility of non-destructive blood glucose detection based on Vivaldi antennas. The research included finite element method (FEM) simulation and glucose concentration monitoring. In the simulation stage, the power transmission and reflection characteristics, radiation characteristics, and electric field distribution characteristics of the antenna were described in detail. In the test stage, the S11 response of the antenna to variation in glucose concentration in the range of 0–6.11 mg/mL was measured, including the S11 amplitude and phase. The experimental results show that there is a high linear correlation between the S11 response and glucose concentration, and the sensitivity of the S11 amplitude response to the variation in glucose concentration is close to 0.3445 (dB/(mg/mL)) at 14.2556 GHz, and the sensitivity of the S11 phase response to the variation in glucose concentration is about 0.5652 (degree/(mg/mL)) at 14.37 GHz. In addition, the predicted results of the glucose concentration based on linear regression are discussed. Full article
(This article belongs to the Special Issue RF MEMS Technology and Progress)
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