Here, we design a transmission-type all dielectric metasurface to realize asymmetric off-axis light focusing which can focus transmitted light on different sides of the principal axis with different focal lengths and off-axis light angles. This metasurface works for normally incident waves with left-...
Achromatic terahertz Airy beam generation with dielectric metasurfaces. Nanophotonics 10, 1123–1131 (2021). Article Google Scholar Song, E.-Y. et al. Compact generation of airy beams with C-aperture metasurface. Adv. Opt. Mater. 5, 1601028 (2017). Article Google Scholar Hao, W., Deng,...
参考文献 [1] CUI T,BAI B,SUN H.Tunable metasurfaces based on active materials[J].Advanced Functioniona Materials,2019,29(10):1806692. [2] MORIN F J.Oxides which show a metal-to-insulator transition at the Neel temperature[J].Physical Review Letters,1959,3(1):34-36. [3] QAZIBASH M...
more resonant frequency bands without increasing unit period. Such fractal unit is especially useful for the design of miniaturized and multiband devices, such as microwave antennas and filters [21,22]. The dielectric layer of the metasurface is selected to be polyimide with the relative dielectric ...
In transmissive dual functionality of beam shaping and polarization conversion is achieved by using all dielectric metasurface [17]. Dual-functional metasurfaces could be realized the THz region to achieve switchability between various functionalities such as: (i) linear to circular (LTC) and circular...
It can be concluded that the conductivity of graphene and perovskite changes because of the incorporation of protein, leading to an alteration of the dielectric environment of the metasurface and an increase in Δƒ with increasing CWP. Both the mobility and concentration of charge carriers in ...
In response to these challenges, various THz antenna design types have been explored, including on-chip antennas (AoC)33, sub-THz horn antennas, dielectric resonator antennas, and microstrip patch antennas. Among these, silicon-based on-chip antennas experience high radiation losses and low gain ...
Slot driven dielectric electromagnetically induced transparency metasurface The control of resonant metasurface for electromagnetically induced transparency (EIT) offers unprecedented opportunities to tailor lightwave coupling at t... TA Ndukaife,S Yang - 《Optics Express》 被引量: 0发表: 2023年 Experimental...
Such an all-dielectric computational design-based approach is advantageous against metallic or dielectric metasurfaces from the perspective that it incorporates all the inherent structural advantages associated with a scalar diffraction based approach, such as () ease of modeling, () substrate-less ...
This letter presents a design, fabrication, and measurement of a ring-resonator-based subterahertz (sub-THz) dielectric sensor. The sensor consists of a ring-resonator-based notch filter, a sub-THz dielectric waveguide (DWG), and a pair of transitions from the microstrip line to the DWG. With...