surface acoustic wave resonators
Flexible surface acoustic wave resonators built on disposable plastic film for electronics and lab-on-a-chip applications
... Rayleigh wave in the ZnO layer decreases and approaches that in the polymer substrate, while that of the Lamb wave approaches that in the ZnO layer as the wavelength ...
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High performance dual-wave mode flexible surface acoustic wave resonators for UV light sensing
... SAW resonators with Al IDTs were fabricated with good transmission ...These resonators exhibit two well-defined resonant modes with signal amplitudes near 20 dB, corresponding to the Rayleigh wave ...
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Engineering silver nanostructures for surface acoustic wave humidity sensors sensitivity enhancement
... Surface acoustic wave (SAW) resonators are a type of sensors with high sensitivity to changes occurred on/in the surface, including temperature, humidity, mass loading, electrical field ...
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Fabrication of high temperature surface acoustic wave devices for sensor applications
... frequency with different Pt thickness can be observed and these are summarised in Table 1 and Fig. 1. In Fig. 2, the rel- ative mass loading effect (expressed as a percentage change) due to different thickness is plotted ...
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Design, manufacture, modelling and testing of surface acoustic wave strain sensors
... passive, a broadcasting unit is required for interrogation. In order to avoid problems with licensing bandwidth, it is useful to use unlicensed parts of the spectrum. In Europe, two suitable unlicensed bands (the ...
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Towards a cell based chemo receiver for artificial insect olfaction
... the acoustic wave bringing about changes in the wave velocity, which can be measured indirectly, as a frequency shift in the resonant frequency, with improved accuracy, selectivity and ...SAW ...
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The Cochlear Amplifier is a Surface Acoustic Wave Resonator
... SAW resonators, it is notable that the cochlear version has a sharp impedance discontinuity where the tectorial membrane overlies the vestibular ...some wave energy did pass Hensen’s stripe, it would be ...
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DIGITALLY-TUNABLE SURFACE ACOUSTIC WAVE RESONATOR
... SAW resonators often have a flicker noise of their own, that amplifiers add phase variation throughout the chain so that the noise factor which emphasizes the noise contribution of the first stage may not be a ...
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Bendable ZnO thin film surface acoustic wave devices on polyethylene terephthalate substrate
... bulk acoustic wave resonators 7 , micromachined infrared bolometers, 8 and piezoelectric pressure sensors 9 ...etc. Surface acoustic wave (SAW) devices are an important member of ...
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Particle sensor using solidly mounted resonators
... the acoustic wave propagation through the bulk of the material across the crystal and the particle displacement are both in the same direction, normal to the sensor ...standing wave is created inside ...
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Design and manufacture of surface acoustic wave sensors for real time weigh in motion
... 1. SAW device type selection: the first process stage is the choice of SAW device to be developed as a sensor. Ba- sic device types include SAW resonators and SAW delay lines [7]. The 1-port SAW resonator was ...
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The Underwater Piano: A Resonance Theory of Cochlear Mechanics
... of surface acoustic wave (SAW) resonators [Chapter M 4] in which squirting waves carry the wave energy in the gap occupied by the outer hair cell stereocilia [Chapter R ...standing ...
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Numerical modelling on stimulated Brillouin scattering characterization for Graphene-clad tapered silica fiber
... and acoustic wave interaction. When the incident pump wave exceeds the threshold power, acoustic wave will be ...optical wave will scatter the injected pump wave hence a ...
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On Discovery of the Twelfth and Thirteenth New Nondispersive SH-SAWs in 6 mm Magnetoelectroelastics
... Abstract: This report acquaints the reader with an extra two new shear-horizontal surface acoustic waves (SH-SAWs). These new SH-SAWs can propagate along the free surface of the transversely ...
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Modelling of Surface Acoustic Wave Strain Sensors using Coupling of Modes Analysis
... Abstract —Surface Acoustic Wave (SAW) devices may be configured as strain sensors, providing passive, wireless strain measurement in demanding conditions. A key consideration is the modeling of the ...
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Wireless surface acoustic wave sensors for displacement and crack monitoring in concrete structures
... The peak surface displacement measured during all cyclic tests is plotted against the peak applied force in Figure 9. Non-linear displacement behaviour due to cracking of the beam can clearly be seen. The strain ...
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Modification of Surface Acoustic Wave (SAW) Sensor Using Zinc Oxide Nanowires
... Piezo electric materials were used to improve the performance of the substrate rather than the silicon dioxide surface. Therefore, ZnO solution prepared by sol-gel method was introduced on the wafer to become ...
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A Bioparticle Separator based on Dielectrophoretic Integrated with Acoustic Force: Design and Simulation
... the acoustic pressure amplitude, particle volume, wavelength, density, compressibility, wave number, and the distance from the pressure node ...the acoustic forces, the direction of the particle ...
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Non-invasive charge detection in surface-acoustic-wave-defined dynamic quantum dots
... Using a non-invasive charge detection method, we detect a flow of electrons trapped in dynamic quantum dots. The dynamic quantum dots are defined by surface acoustic waves (SAWs) and move through a long ...
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Selective excitation of localized spin-wave modes by optically pumped surface acoustic waves
... between surface acoustic waves and spin wave modes of an array of nickel ...spin wave modes are coincident with the frequency of a SAW ex- cited by the optical pump ...
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