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Experimental Realization of Tunable Metamaterial Hyper-transmitter
Young Joon Yoo1, Changhyun Yi2, Ji Sub Hwang1
1Department of Physics and RINS, Hanyang University, Seoul, South Korea.
Scientific Reports
|September 16, 2016
Summary
We developed a tunable metamaterial hyper-transmitter for microwave applications. This device achieves over 100% transmission, enhancing wireless communication ranges for Wi-Fi, radar, and more.
Area of Science:
- Metamaterials
- Microwave Engineering
- Electromagnetics
Background:
- Metamaterials offer unique electromagnetic properties.
- Tunable devices are crucial for advanced wireless systems.
Purpose of the Study:
- To realize a tunable metamaterial hyper-transmitter in the microwave range.
- To investigate and elucidate the phenomenon of over 100% transmission.
Main Methods:
- Utilized simple planar meta-structures for device fabrication.
- Conducted experimental measurements and theoretical investigations.
- Employed 3-dimensional simulations for analysis.
Main Results:
- Single-layer hyper-transmitter shows a transmission peak at 14 GHz.
- Dual-layer design allows control of transmission peak from 5 to 10 GHz.
- All transmission peaks demonstrated over 100% transmission efficiency.
Conclusions:
- The tunable metamaterial hyper-transmitter is successfully realized.
- The underlying physics for >100% transmission is explained.
- Potential applications include Wi-Fi, military radar, wireless power transfer, and self-driving cars.
