K-band Metamaterial Absorber with High Absorption Rate
Author Information
Author(s): Ji Zhonghang, Song Yida, Gao Mandi, Zhang Qiong, Liu Yunqing
Primary Institution: Changchun University of Science and Technology
Hypothesis
Can a K-band metamaterial absorber achieve ultra-wideband electromagnetic wave absorption?
Conclusion
The proposed metamaterial absorber demonstrates over 90% absorption across a frequency range of 20.76 to 24.20 GHz with a bandwidth of 3.44 GHz.
Supporting Evidence
- The absorber achieves an absorption rate exceeding 90% across various polarization angles.
- Simulations and physical tests showed complete agreement in performance.
- The design allows for both single-frequency and multi-frequency absorption.
Takeaway
This study shows a special material that can absorb a lot of electromagnetic waves, which is useful for things like communication and sensing.
Methodology
The study involved designing and fabricating a K-band metamaterial absorber, followed by simulations and physical testing to validate its performance.
Limitations
The absorption bands are segmented into two narrow ranges rather than a continuous bandwidth.
Digital Object Identifier (DOI)
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