ArticleSensors (Basel, Switzerland)2018
A Compact Ultrawideband Antenna Based on Hexagonal Split-Ring Resonator for pH Sensor Application.
Article in Sensors (Basel, Switzerland), 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Fano resonated, ultrathin, flexible and ultrawideband absorption featured nano-metaatom structure with dispersion gap optimized for optical range applications.Scientific reports · 2025Article
- A Review of Microstrip Patch Antenna-Based Passive Sensors.Sensors (Basel, Switzerland) · 2024Review
- Multifunction Applications of Filtering Dielectric Resonator Antenna Based on Liquid Crystal.Sensors (Basel, Switzerland) · 2023Article
- Reconfigurable Split Ring Resonators by MEMS-Driven Geometrical Tuning.Sensors (Basel, Switzerland) · 2023Article
- The Automatic Design of Multimode Resonator Topology with Evolutionary Algorithms.Sensors (Basel, Switzerland) · 2022Article
- Article
- Radio-Frequency Biosensors for Real-Time and Continuous Glucose Detection.Sensors (Basel, Switzerland) · 2021Review
- A Review of Flexible Wearable Antenna Sensors: Design, Fabrication Methods, and Applications.Materials (Basel, Switzerland) · 2020Review
- Design and Application of a Metamaterial Superstrate on a Bio-Inspired Antenna for Partial Discharge Detection through Dielectric Windows.Sensors (Basel, Switzerland) · 2019Article
- Novel S-Bend Resonator Based on a Multi-Mode Waveguide with Mode Discrimination for a Refractive Index Sensor.Sensors (Basel, Switzerland) · 2019Article
- Temperature-Corrected Fluidic Glucose Sensor Based on Microwave Resonator.Sensors (Basel, Switzerland) · 2018Article
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Authors and funding
5 authors.
Funding
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Abstract
A compact ultrawideband (UWB) antenna based on a hexagonal split-ring resonator (HSRR) is presented in this paper for sensing the pH factor. The modified HSRR is a new concept regarding the conventional square split-ring resonator (SSRR). Two HSRRs are interconnected with a strip line and a split in one HSRR is introduced to increase the electrical length and coupling effect. The presented UWB antenna consists of three unit cells on top of the radiating patch element. This combination of UWB antenna and HSRR gives double-negative characteristics which increase the sensitivity of the UWB antenna for the pH sensor. The proposed ultrawideband antenna metamaterial sensor was designed and fabricated on FR-4 substrate. The electrical length of the proposed metamaterial antenna sensor is 0.238 × 0.194 × 0.016 λ, where λ is the lowest frequency of 3 GHz. The fractional bandwidth and bandwidth dimension ratio were achieved with the metamaterial-inspired antenna as 146.91% and 3183.05, respectively. The operating frequency of this antenna sensor covers the bandwidth of 17 GHz, starting from 3 to 20 GHz with a realized gain of 3.88 dB. The proposed HSRR-based ultrawideband antenna sensor is found to reach high gain and bandwidth while maintaining the smallest electrical size, a highly desired property for pH-sensing applications.
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