Phononic waveguide
Web1 day ago · Phononic crystals (PnCs) ... [63, 64], such as reconfigurable acoustic waveguides [65, 66], phononic crystals lenses with adjustable refractive index [67], … WebJun 16, 2024 · Aiming at solving the NVH problem in vehicles, a novel composite structure is proposed. The new structure uses a hollow-stub phononic-crystal with filled cylinders (HPFC) plate. Any unit in the plate consists of a lead head, a silicon rubber body, an aluminum base as outer column and an opposite arranged inner pole. The dispersion …
Phononic waveguide
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WebWe show that piezoelectric strain actuation of acoustomechanical interactions can produce large phase velocity changes in an existing quantum phononic platform: aluminum nitride on suspended silicon. Using finite element analysis, we demonstrate a WebAug 29, 2024 · The phononic crystal waveguide investigated in this work is schematically shown in figure 1, which contains three domains marked as A (red), B (gray) and C (blue), respectively.The phononic crystals are composed of identical cylinders with the radius r arranged into a triangular lattice with the lattice constant a embedded in water. In domain …
WebMar 8, 2024 · The SiC–air phononic crystals and waveguides were fabricated using a CMOS-compatible process, which allows for seamless integration of these devices into wireless … WebJun 21, 2024 · In the experiment, we first consider a phononic waveguide device (Fig. 2c) optimized to support acoustic waves with wavelength around 50 μm (frequency around 100 MHz). The waveguide is 5 μm...
WebMar 3, 2024 · The full-field simulations for flexural waves in the waveguide structure are demonstrated to support topologically valley-protected edge transmission in both bands, which immunizes the transport against backscattering from … WebOct 29, 2024 · The Special Issue on “Sonic and Photonic Crystals” is focused on broad applications of the results involving characterizations of the sonic and photonic crystal properties. The applications of photonic crystals were presented in this special issue. The gradient cavity, waveguide, switch, and spatial beam filtering with autocloned photonic ...
WebThe purpose of a resonant optomechanical (OM) system [1,2,3] is to enhance the interaction of light with a mechanical oscillator, basing on light and acoustic wave confinement in the …
WebApr 1, 2024 · In addition to photonic waveguide demultiplexers, we can find phononic or acoustic demultiplexers. For example, El Kadmiri et al. realized a simple phononic Y-shaped demultiplexer based on two output lines, and each output line is containing a single asymmetric resonator. The result shows the existence of a complete transmission beside … peter pan world southendWebFeb 17, 2024 · We assume that the superconducting output resonator and the phononic waveguide are coupled with a fixed rate r, yielding an exponentially decaying acoustic … peter pan word search printableWebJul 28, 2024 · Waveguides for mechanical signal transmission in the megahertz to gigahertz regimes enable on-chip phononic circuitry, which brings new capabilities complementing photonics and electronics. starpythons gmbhWebThe waveguide is composed of a rectangular a Si 3 N 4 rectangular core (1μm width and 400nm thickness), shown in green, on a 100 nm thick layer of Si with a triangular PC lattice of lattice constant a = 400 nm and hole diameter 260 nm. The holes are filled with SiO 2 and the cladding above the waveguide core is also SiO 2. peter pan work foxWebJan 21, 2024 · We demonstrate an efficient transducer matched to 50Ω and guiding within a 1μm wide mechanical waveguide as key building blocks of this platform. Putting these components together, we realize acoustic delay lines, racetrack resonators, and meander line waveguides for sensing applications. star q8 accountWebA waveguide is a structure that guides waves, such as electromagnetic waves or sound, with minimal loss of energy by restricting the transmission of energy to one direction.Without the physical constraint of a waveguide, … star qcs-1-350cWebApr 15, 2024 · Phononic crystals, an artificial periodic composite structure, have gained extensive attention from researchers since their advent [1,2]. Phononic crystals have many interesting properties, such as band gaps [3–8], negative effective mass density [9,10], negative refraction [11–14], negative stiffness [15], acoustic focusing [16–19] and … star qcs3-950h