Chirality metasurface
WebHere, different from previous metasurfaces with single structural regulation, a kind of bifunctional chiral metasurface based on 3D bended asymmetric construction is … WebApr 10, 2024 · On June 11, 2024, eLight Journal simultaneously published two research papers on brainwave-based metasurfaces, and proposed a new concept of metasurface controlled by mind for the first time in ...
Chirality metasurface
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WebJun 20, 2024 · Chirality is a fundamental property of nature, which represents an important asymmetrical feature in several disciplines. Nowadays, chiral response has potential … WebJun 18, 2024 · Interestingly, an adapted out-of-plane chiral metasurface enables three key functionalities of the hyperbolic metamaterial sensor. Computational effort reveals that …
WebOct 1, 2024 · The proposed chiral metasurface has highly spin-selective absorption, resulting a strong CD. The sign and magnitude of the CD can be dynamically reconfigured via changing either the intrinsic or extrinsic chirality. The proposed reconfigurable plasmonic chiral metasurface provides an efficient approach to manipulate the CPL … WebHere, different from previous metasurfaces with single structural regulation, a kind of bifunctional chiral metasurface based on 3D bended asymmetric construction is proposed, which shows giant CD combined with asymmetric chirality at 5.2 µm. The bended metasurface with abundant spatial freedom, consisting of an array of asymmetric …
WebJan 29, 2024 · In particular, the chiral metasurface supports two chiral quasi-BIC resonances, which exhibit distinguished different properties. For example, the Q-factor of “mode 1” (Q ≈ 938.2) is more than an order of magnitude higher than that … WebJun 1, 2024 · Here we propose a new scheme for tunable extrinsic chirality of terahertz metasurface controlled by near-infrared continuous wave. The metasurface is …
WebOptical metasurfaces with high-quality-factor resonances and selective chirality simultaneously are desired for nanophotonics. Here, an all-dielectric planar chiral metasurface is theoretically proposed and numerically proved to support the astonishing symmetry-protected bound state in the continuum (BIC), due to the preserved π …
WebMar 5, 2024 · Planar optical chirality of a metasurface measures its differential response between left and right circularly polarized (CP) lights and governs the asymmetric … index match lookup 違いWebThis metasurface can support the excitation of bound states in the continuum which are closely related to the toroidal dipole resonance. After introducing chiral enantiomers with weak chirality into the surrounding … index match lookup value 1WebSep 8, 2024 · These observations are consistent with the above analysis and confirm the capability of chiral metasurface in simultaneous control of spectrum, radiation pattern, and spin angular momentum of light … index match match formelWebDec 11, 2024 · Optical chirality is intrinsically weak, and hard to tune in traditional bottom-up chiral perovskites. Here we realized all-dielectric halide perovskite chiral metasurfaces with a giant circular dichroism of 70% via high-throughput screening. Combining the giant optical chirality, unique light emission property and simple low-temperature ... index match listWebApr 8, 2024 · Here, we propose a twisted Moiré metasurface which can support three chiral bands with near-unity circular dichroism. The Moiré metasurface can remove the restriction of interlayer alignment, while maintaining a strong monolayer resonance. The two chiral bands in the forward direction can be described by two coupled-oscillator models. index match match formula guideWebWe experimentally demonstrate a dynamic terahertz (THz) chiral device based on a composite structure of anisotropic liquid crystals (LCs) sandwiched between a bilayer metasurface. The device supports the symmetric mode and antisymmetric mode under the incidence of left- and right-circular polarized waves, respectively. The different coupling … index match match google sheetsWebAug 3, 2024 · Dynamic control of photonic spin state and chirality plays a vital role in various applications, such as polarization control, polarization-sensitive imaging, and biosensing. Here, we present a scheme for the flexible and dynamic manipulation of terahertz spin state conversion and optical chirality by combining two achiral structures: … index match match formula explained