Waveform-dependent absorbing metasurfaces

H Wakatsuchi, S Kim, JJ Rushton, DF Sievenpiper - Physical review letters, 2013 - APS
… a waveform-dependent absorbing metasurface for high-power pulsed surface currents. The
new type of nonlinear metasurface, … Interestingly, the absorbing performance varies for high-…

Experimental demonstration of nonlinear waveformdependent metasurface absorber with pulsed signals

H Wakatsuchi, JJ Rushton, J Lee, F Gao… - Electronics …, 2013 - Wiley Online Library
… By using the nonlinear metasurface, absorption that depends on … the first waveform-dependent
absorbing metasurface. … , where our metasurface is capable of maximising the absorbing

Responses of waveform-selective absorbing metasurfaces to oblique waves at the same frequency

H Wakatsuchi, F Gao, S Yagitani, DF Sievenpiper - Scientific reports, 2016 - nature.com
metasurfaces both … metasurfaces more effectively absorb short pulses than continuous
waves (CWs) for a wide range of the incident angle, while inductor-based metasurfaces absorb

Waveform-selective metasurface absorber with a single-patch structure and lumped nonlinear circuit for a higher-order mode

Y Cheng, Y Qian, H Homma… - … on Antennas and …, 2023 - ieeexplore.ieee.org
waveform-dependent MMA with a periodic structure containing diodes, capacitors and
resistors, which showed absorption … surface wave suppression and absorption response with a …

Waveform selectivity at the same frequency

H Wakatsuchi, D Anzai, JJ Rushton, F Gao, S Kim… - Scientific Reports, 2015 - nature.com
… Here we present a new concept of circuit-based metasurfaces to selectively absorb or …
The time constants are very important to determine how the waveform-dependent metasurfaces

Metasurface sensing difference in waveforms at the same frequency with reduced power level

M Tanikawa, D Ushikoshi, K Asano, K Sanji, M Ikeda… - Scientific Reports, 2020 - nature.com
… structures, any of waveform-selective metasurfaces reported to date required an … metasurface
that is numerically demonstrated to operate at a low power level but still selectively absorbs

Nonlinear, active, and tunable metasurfaces for advanced electromagnetics applications

A Li, Z Luo, H Wakatsuchi, S Kim… - IEEE Access, 2017 - ieeexplore.ieee.org
… based waveform-dependent metasurface absorber can be specifically designed to absorb
either … The transistor based surface wave metasurface absorber provides another degree of …

Waveform-selective metasurfaces with free-space wave pulses at the same frequency

H Wakatsuchi - Journal of Applied Physics, 2015 - pubs.aip.org
… As a result, the absorbing performances of the circuit-based metasurfaces varied depending
… The measurement results of the waveform-dependent metasurfaces (Figs. 7 and 8) required …

Dual-band waveform-selective metasurfaces for reflection suppression

H Takeshita, D Nita, Y Cheng, AA Fathnan… - Applied Physics …, 2023 - pubs.aip.org
metasurface absorbers were designed to absorb incident waves at two independent frequencies.
Importantly, however, our metasurfacesWaveform-dependent absorbing metasurfaces

High-power transistor-based tunable and switchable metasurface absorber

A Li, S Kim, Y Luo, Y Li, J Long… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
… same absorbing frequency … metasurface with lumped elements and diodes to introduce
nonlinearity [19]–[28]. This nonlinearity could either be power-dependent or waveformdependent