surface acoustic waves
Selective excitation of localized spin-wave modes by optically pumped surface acoustic waves
... the acoustic excitation is off reso- nance, only minor perturbations ...under acoustic excitation, with the mode observed at H = 1225Oe localizing in the centre of the nanowire and the mode at 1850Oe ...
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Frequency Domain Characteristics of Laser Surface Acoustic Waves in Healthy Incisor and Initial Dental Caries
... ultrasonic waves, laser ultrasonic nondestructive evaluation (NDE) technique can be used to assess human ...technique, surface acoustic waves (SAW) in human incisors are calculated, and the ...
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Surface acoustic waves in two dimensional phononic crystal with anisotropic inclusions
... and surface acoustic waves in two-dimensional phononic crystals (PCs) consisting of periodic arrays of cylinders with square shapes embedded in a background ...The acoustic band structures of ...
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Influence of Viscosity in Fluid Atomization with Surface Acoustic Waves
... Surface Acoustic Wave (SAW) fluid atomizers have the demonstrated ability to gener- ate droplets without the need for moving parts or ...using surface acoustic waves on piezoelectric ...
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Ultrafast chemical-free cell lysis by high speed stream collision induced by surface acoustic waves.
... speed acoustic streaming was induced, and the cells were actuated to move with the stream and impact to the SU8 micro-pillars, which would easily destroy the cell membranes, leading to cell ...
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Gyroscopes based on surface acoustic waves
... SAW in the orthogonal direction of the primary stand- ing wave (± y-axis). This secondary SAW then interferes with the Rayleigh SAW propagating in the sensing device, causing a change in the acoustic velocity of ...
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Quantification of Bolt Tension by Surface Acoustic Waves: An Experimentally Verified Simulation Study
... In this study, the effect of varying bolt tension on SAW was simulated via the commercially available finite element program, ANSYS 18.1. The study investigated the SAW reflection caused by the real contact area, which ...
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Studies of two dimensional electron systems via surface acoustic waves and nuclear magnetic resonance techniques
... Fermi surface at ν = 1/2 survives beyond mean field theory, when the effect of fluctuations in the effective magnetic field are ...Fermi surface at ν = 1/2 has also been demonstrated experimentally by ...
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Evolution of Surface Acoustic Waves in an Optical Microfiber
... transverse acoustic modes can also be carried out to optimize a multi (acoustic) moded microfiber, if necessary, such as to sense simultaneously both strain and ...
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Study of Surface Acoustic Wave Sensor
... ABSTRACT: Surface acoustic wave (SAW) sensors are a class of Micro Electro Mechanical System (MEMS), which rely on the modulation of the surface acoustic waves to sense a physical ...
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The pattern of surface waves in a shallow free surface flow
... bed surface roughness was measured at the test section of the flume using a laser dis- placement sensor attached to a computer controlled scanning ...flow surface, but that the surface pattern is ...
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Subharmonic resonant excitation of edge waves by breaking surface waves
... edge waves due to the viscous dissipation, 1 = − ω/2 is a detuning be- tween frequencies of edge waves and the external paramet- ric forcing, σ is a nonlinear frequency shift, ρ is a nonlin- ear damping ...
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Study of Propagation of Ion Acoustic Waves in Argon Plasma
... frequency waves by elec- trodes outside the plasma is extremely inefficient be- cause currents on the plasma periphery shield the plasma interior from the applied ...ion waves the grids are placed inside ...
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Weakly Nonlinear Quantum Dust Ion Acoustic Waves
... To conclude, we have addressed the problem of quantum dust ion-acoustic solitary waves. The dynamics of sm but finite amplitude QDIA waves is governed by a de- formed Korteweg-de Vries equation. The ...
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Development of a quantitative Schlieren imaging technicque for acoustic waves
... the acoustic wave as shown by the images in ...the acoustic waves. The compromise was due to the acoustic waves propagating out-of-plane of the ...the acoustic wave related to ...
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Interactions of Simulated Partially Closed Cracks with Acoustic Waves
... Therefore, such an assembly produces an interface which is more typical of a true fatigue crack than the assembly containing the grating, although the "roughness parameters" Wand S are u[r] ...
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Reflection and refraction of acoustic waves at poroelastic ocean bed
... cross-well acoustic tomograms and cores collected from seabed locations, the 3-D power spectra of velocity and density fluctuations in the seabed sediments are strongly anisotropic and dipping in general (Yamamoto, ...
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Magnetohydrodynamic surface waves in the solar atmosphere
... of surface waves and their possible application to observations of waves in the solar ...of surface waves and their natural intrinsic interest, we examine in some detail the nature of ...
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Lateral Waves near the Surface of Sea
... Firstly the form solutions of the far-field, due to a ver- tical magnetic dipole in a sea (three-layered conducting media) with variable interface are expanded as an infinite series. Then with the aid of the complex ...
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Landau damping of dust acoustic solitary waves in nonthermal plasmas
... The balance of nonlinearity and dissipation (due to Landau damping) gives rise to shock- like structures in plasma. Shock waves are characterized as an abrupt jump in the plasma potential, density etc. To ...
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