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In recent years, a great deal of effort has been made to create terahertz (THz) devices with metamaterials (MM). Among these devices, perfect absorbers and modulators are highly desired in THz system such as communication, remote sensing, imaging, and astronomy. MM absorbers have a variety of potential applications including thermal emitters, detector, stealth technology, phase imaging. High-speed...
We present a reconfigurable transmission metasurface based on microfluidic system. As a proof of concept, the focal length of the metasurface is tuned from near-field region (1 λ) to far-field region (18 λ).
We present a widely tunable metasurface composed of microfluidic antennas with subwavelength thickness for dynamic beam steering. By controlling actively the length of supercell, the reflection can be tuned to arbitrary direction under normal illumination.
We report a coupling mode transition from pure plasmon coupling to plasmon-microcavity hybridization in THz using liquid metal whose shape can be tuned, not only from disk to droplet, but also from 2D to 3D.
In this paper, we have presented the simulation results on a novel metamaterial absorber, which can work in the terahertz regime. The results show that the absorber has a smooth broadband absorption peak of 400GHz with the absorptivity over 95%.
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