WebApr 14, 2024 · In vitro propagation, plants could respond differently, even if they belong to the same species. Additionally, micropropagation is highly dependent on genotype [ 3 ]. Thus, the primary goal of this study is to enhance an effective protocol for in vitro mass propagation to aid in the preservation of the endangered wild prickly pear in eastern ... WebDec 8, 2024 · An elastic metasurface with a gradient index of functional units, namely gradient folding metasurface (GFMS), is proposed to simultaneously manipulate the transmission phase and amplitude of flexural waves. By varying the gradient index common ratio (CR) between each adjacent unit, the GFMS was found to cover an entire 2 π span of …
Rapid and Efficient In Vitro Propagation Protocol of Endangered …
WebJun 15, 2024 · Metasurfaces enable manipulation of light propagation at an unprecedented level, benefitting from a number of merits unavailable to conventional optical elements, such as ultracompactness, precise phase and polarization control at deep subwavelength scale, and multifunctionalities. WebMar 15, 2024 · Metasurfaces, the equivalent two-dimensional (2D) metamaterials, are thin-film functional devices constructed by subwavelength structures. Abrupt phase changes … green psychological climate journal
Adjoint-optimized metasurfaces for compact mode-division …
WebThe metasurface breaks the symmetry and realizes different functions for opposite propagation directions, such as deflection and focusing, orbital angular momentum (OAM) mode generation, and holographic imaging. ... θ 1, and θ 2 of the Janus metasurface, the desired phase values can be obtained, which provide further possibilities for the ... WebThis model unifies propagation-and geometric-phase metasurface [40,41]. Both the geometric parameters and rotation angle of the antenna pixels are engineered to achieve … WebJan 26, 2024 · Furthermore, we show that imposing the phase of a Dammann grating into a synthetic metasurface generates a 1 × 4 array of Airy beams that exhibit the aforementioned optical properties. These findings suggest that synthetic-phase metasurfaces may significantly broaden the application of accelerating optical beams in various fields, such … greenpt ymt-yamato.co.jp