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Journal articles on the topic 'Surface Acoustic Wave'

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1

Nakano, Masahiro. "Surface acoustic wave element, surface acoustic wave device, surface acoustic wave duplexer, and method of manufacturing surface acoustic wave element." Journal of the Acoustical Society of America 121, no. 4 (2007): 1826. http://dx.doi.org/10.1121/1.2723967.

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2

Sonner, Maximilian M., Farhad Khosravi, Lisa Janker, Daniel Rudolph, Gregor Koblmüller, Zubin Jacob, and Hubert J. Krenner. "Ultrafast electron cycloids driven by the transverse spin of a surface acoustic wave." Science Advances 7, no. 31 (July 2021): eabf7414. http://dx.doi.org/10.1126/sciadv.abf7414.

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Spin-momentum locking is a universal wave phenomenon promising for applications in electronics and photonics. In acoustics, Lord Rayleigh showed that surface acoustic waves exhibit a characteristic elliptical particle motion strikingly similar to spin-momentum locking. Although these waves have become one of the few phononic technologies of industrial relevance, the observation of their transverse spin remained an open challenge. Here, we observe the full spin dynamics by detecting ultrafast electron cycloids driven by the gyrating electric field produced by a surface acoustic wave propagating on a slab of lithium niobate. A tubular quantum well wrapped around a nanowire serves as an ultrafast sensor tracking the full cyclic motion of electrons. Our acousto-optoelectrical approach opens previously unknown directions in the merged fields of nanoacoustics, nanophotonics, and nanoelectronics for future exploration.
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3

Варламов, А. В., В. В. Лебедев, П. М. Агрузов, И. В. Ильичёв та А. В. Шамрай. "Влияние конфигурации и материала встречно-штыревых преобразователей на возбуждение поверхностных и псевдоповерхностных акустических волн в подложках ниобата лития". Письма в журнал технической физики 45, № 14 (2019): 40. http://dx.doi.org/10.21883/pjtf.2019.14.48023.17749.

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The excitation, distribution, and interaction of surface acoustic waves (SAW) and pseudo surface acoustic waves (PSAW) in a X-cut lithium niobate substrates were investigated. The resonant excitation frequencies, the wave distribution velocities and the dispersion characteristics were determined for each of the wave types. The influence of the interdigital transducer (IDT) material on the excitation efficiency and the interaction between investigated wave types was found out. The interdigital transducer material and configuration requirements for integrated acousto-optic devices were determined.
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4

Du, Liangfen, and Zheng Fan. "Anomalous refraction of acoustic waves using double layered acoustic grating." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 268, no. 6 (November 30, 2023): 2396–403. http://dx.doi.org/10.3397/in_2023_0353.

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The paper proposes a double layered acoustic grating for fulfilling acoustic focusing in an anomalous direction. The acoustic grating consists of two layers of rigid panels with periodically perforated slits. By optimizing the positions of the slits on the two layers, both positive and negative refractive indices can be achieved with the phase shift tailored within [-π/2, π/2]. This allows acoustic energy of an obliquely incident plane wave to converge in a predefined focusing region in any direction. The paper predicts the wave propagation manipulated by the acoustic grating based on the surface coupling approach. Then, it discusses how to optimize the slits' positions to collimate the acoustic energy of an obliquely incident plane wave in a specific direction. Such acoustic grating has various potential applications, such as deflecting outdoor noise away from sensitive areas in building acoustics, enhancing acoustic energy in a target audience area in auditorium design, collimating acoustic surface waves, etc.
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5

Gokani, Chirag A., Thomas S. Jerome, Michael R. Haberman, and Mark F. Hamilton. "Born approximation of acoustic radiation force used for acoustofluidic separation." Journal of the Acoustical Society of America 151, no. 4 (April 2022): A90. http://dx.doi.org/10.1121/10.0010753.

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Acoustofluidic separation often involves biological targets with specific acoustic impedance similar to that of the host fluid, and with dimensions on the order of the acoustic wavelength. This parameter range, combined with the use of standing waves to separate the targets, lends itself to use of the Born approximation for calculating the acoustic radiation force. Considered here is the configuration analyzed by Peng et al. [J. Mech. Phys. Solids 145, 104134 (2020)], in which two intersecting plane waves radiated into the fluid by a standing surface acoustic wave exert a force on a eukaryotic cell modeled as a multilayered sphere. The angle of intersection is determined by the velocity of the surface wave and the sound speed in the fluid. The acoustic field in this case is a standing wave parallel to the substrate and a traveling wave perpendicular to the substrate. For all parameter values considered by Peng et al., including spheres several wavelengths in diameter, the Born approximation of the acoustic radiation force parallel to the substrate is in good agreement with a full theory based on spherical wave expansions of the incident and scattered fields. [C.A.G. and T.S.J. were supported by ARL:UT McKinney Fellowships in Acoustics.]
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6

Yang, Peinian, Dehua Chen, and Wang Xiuming. "The research of LWD acoustic isolator based on SAW spatial separation." MATEC Web of Conferences 283 (2019): 02004. http://dx.doi.org/10.1051/matecconf/201928302004.

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Acoustic logging while drilling (LWD) can extract P-wave and S-wave information from the formation. However, the transmission of the collar wave propagated directly from the emitter to the receiver may interfere with the P-wave and S-wave and affect the extraction of formation information. Therefore, it is necessary to design a suitable acoustic isolator between the transmitter and the receiver to attenuate the drill waves. The commonly used acoustic LWD isolator is that the outer surface of the drill collar is evenly grooved to attenuate the collar wave. However, there are still disadvantages such as the lack of mechanical strength of the evenly grooved acoustic insulators and the ability to extract clean longitudinal wave under certain circumstances. Therefore, there is an urgent requirement to design a new type of acoustic LWD isolator with sufficient strength and acoustic insulation requirements. In recent years, spoof surface acoustic waves (SSAWs) generated by periodic corrugated surface rigid plates have attracted the attention of many researchers, who can spatially separate the surface waves to attenuate acoustic waves. In this paper, a new type of acoustic LWD insulator based on SAW space separation structure is proposed. The finite element software ANSYS is used for acoustic analysis.
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7

Noto, Kenichi. "Surface acoustic wave filter, surface acoustic wave device and communication device." Journal of the Acoustical Society of America 122, no. 6 (2007): 3143. http://dx.doi.org/10.1121/1.2822925.

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8

Yokota, Yuuko. "Surface acoustic wave device, surface acoustic wave apparatus, and communications equipment." Journal of the Acoustical Society of America 124, no. 2 (2008): 702. http://dx.doi.org/10.1121/1.2969605.

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9

Tamon, Ryo, Masaya Takasaki, and Takeshi Mizuno. "Surface Acoustic Wave Excitation Using a Pulse Wave." International Journal of Automation Technology 10, no. 4 (July 5, 2016): 564–73. http://dx.doi.org/10.20965/ijat.2016.p0564.

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Surface acoustic waves (SAWs) excited by bursts of sinusoidal waves have been used in various applications. However, the SAW actuators used for this purpose are expensive because each SAW transducer must be equipped with a radio frequency linear amplifier and a function generator. To simplify the driving circuits of these actuators, SAW excitation using a pulse wave is proposed in this report. Simulated results for an equivalent circuit of a single interdigital transducer and measurements of SAWs excited by pulse waves are presented. The generation of tactile sensations using a SAW excited by a pulse wave is also reported. Furthermore, the power requirements for SAW excitation by a sinusoidal wave and by a pulse wave are compared.
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10

Fu, Chang, and Tian-Xue Ma. "Modulation of Surface Elastic Waves and Surface Acoustic Waves by Acoustic–Elastic Metamaterials." Crystals 14, no. 11 (November 18, 2024): 997. http://dx.doi.org/10.3390/cryst14110997.

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Metamaterials enable the modulation of elastic waves or acoustic waves in unprecedented ways and have a wide range of potential applications. This paper achieves the simultaneous manipulation of surface elastic waves (SEWs) and surface acoustic waves (SAWs) using two-dimensional acousto-elastic metamaterials (AEMMs). The proposed AEMMs are composed of periodic hollow cylinders on the surface of a semi-infinite substrate. The band diagrams and the frequency responses of the AEMMs are numerically calculated through the finite element approach. The band diagrams exhibit simultaneous bandgaps for the SEWs and SAWs, which can also be effectively tuned by the modification of AEMM geometry. Furthermore, we construct the AEMM waveguide by the introduction of a line defect and hence demonstrate its ability to guide the SEWs and SAWs simultaneously. We expect that the proposed AEMMs will contribute to the development of multi-functional wave devices, such as filters for dual waves in microelectronics or liquid sensors that detect more than one physical property.
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11

Krylov, Victor V. "On the Applicability of Kramers–Kronig Dispersion Relations to Guided and Surface Waves." Acoustics 6, no. 3 (June 29, 2024): 610–19. http://dx.doi.org/10.3390/acoustics6030033.

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In unbounded media, the acoustic attenuation as function of frequency is related to the frequency-dependent sound velocity (dispersion) via Kramers–Kronig dispersion relations. These relations are fundamentally important for better understanding of the nature of attenuation and dispersion and as a tool in physical acoustics measurements, where they can be used for control purposes. However, physical acoustic measurements are frequently carried out not in unbounded media but in acoustic waveguides, e.g., inside liquid-filled pipes. Surface acoustic waves are also often used for physical acoustics measurements. In the present work, the applicability of Kramers–Kronig relations to guided and surface waves is investigated using the approach based on the theory of functions of complex variables. It is demonstrated that Kramers–Kronig relations have limited applicability to guided and surface waves. In particular, they are not applicable to waves propagating in waveguides characterised by the possibility of wave energy leakage from the waveguides into the surrounding medium. For waveguides without leakages, e.g., those formed by rigid walls, Kramers–Kronig relations remain valid for both ideal and viscous liquids. Examples of numerical calculations of wave dispersion and attenuation using Kramers–Kronig relations, where applicable, are presented for unbounded media and for waveguides formed by two rigid walls.
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12

KUROSAWA, Minoru. "Surface Acoustic Wave Motor." Journal of The Institute of Electrical Engineers of Japan 127, no. 5 (2007): 285–87. http://dx.doi.org/10.1541/ieejjournal.127.285.

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13

Letcher, S. "Surface acoustic wave devices." IEEE Journal of Oceanic Engineering 11, no. 4 (October 1986): 487–88. http://dx.doi.org/10.1109/joe.1986.1145211.

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14

Kirigaya, Masahiro. "Surface Acoustic Wave Motor." Journal of the Acoustical Society of America 130, no. 5 (2011): 3175. http://dx.doi.org/10.1121/1.3662354.

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15

Vetelino, John F. "Surface acoustic wave microsensors." Journal of the Acoustical Society of America 99, no. 4 (April 1996): 2479–500. http://dx.doi.org/10.1121/1.415570.

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16

Nakahata, Hideaki. "Surface acoustic wave device." Journal of the Acoustical Society of America 101, no. 5 (1997): 2423. http://dx.doi.org/10.1121/1.418455.

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17

Satoh, Yoshio. "Surface acoustic wave filter." Journal of the Acoustical Society of America 101, no. 5 (1997): 2422. http://dx.doi.org/10.1121/1.418486.

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18

Shiokawa, Showko, and Jun Kondoh. "Surface Acoustic Wave Sensors." Japanese Journal of Applied Physics 43, no. 5B (May 28, 2004): 2799–802. http://dx.doi.org/10.1143/jjap.43.2799.

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19

Kando, Hajime. "Surface acoustic wave device." Journal of the Acoustical Society of America 122, no. 2 (2007): 696. http://dx.doi.org/10.1121/1.2771304.

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20

Ozaki, Kyosuke. "Surface acoustic wave device." Journal of the Acoustical Society of America 122, no. 2 (2007): 697. http://dx.doi.org/10.1121/1.2771305.

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21

Kidoh, Hideo. "Surface acoustic wave filter." Journal of the Acoustical Society of America 122, no. 2 (2007): 697. http://dx.doi.org/10.1121/1.2771306.

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22

Dwyer, Douglas F. G., and David E. Bower. "Surface acoustic wave accelerometer." Journal of the Acoustical Society of America 82, no. 1 (July 1987): 409. http://dx.doi.org/10.1121/1.395489.

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23

Kando, Hajime. "Surface acoustic wave device." Journal of the Acoustical Society of America 124, no. 3 (2008): 1389. http://dx.doi.org/10.1121/1.2986167.

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24

Yoneya, Katsuro. "Surface acoustic wave element." Journal of the Acoustical Society of America 124, no. 6 (2008): 3364. http://dx.doi.org/10.1121/1.3047393.

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25

Kam, Chan Hin. "Surface acoustic wave device." Journal of the Acoustical Society of America 124, no. 6 (2008): 3365. http://dx.doi.org/10.1121/1.3047395.

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26

Kadota, Michio. "Surface acoustic wave device." Journal of the Acoustical Society of America 125, no. 2 (2009): 1259. http://dx.doi.org/10.1121/1.3081327.

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27

Kihara, Yoshikazu. "Surface acoustic wave device." Journal of the Acoustical Society of America 126, no. 2 (2009): 927. http://dx.doi.org/10.1121/1.3204322.

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28

Lin, I.-Nan. "Surface acoustic wave substrate." Journal of the Acoustical Society of America 126, no. 2 (2009): 931. http://dx.doi.org/10.1121/1.3204337.

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29

Chen, Ga-Lane. "Surface acoustic wave device." Journal of the Acoustical Society of America 126, no. 5 (2009): 2831. http://dx.doi.org/10.1121/1.3262542.

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30

Wachi, Hirotada. "Surface acoustic wave device." Journal of the Acoustical Society of America 126, no. 6 (2009): 3380. http://dx.doi.org/10.1121/1.3274272.

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31

Kurosawa, Minoru, Takayuki Watanabe, Akira Futami, and Toshiro Higuchi. "Surface acoustic wave atomizer." Sensors and Actuators A: Physical 50, no. 1-2 (August 1995): 69–74. http://dx.doi.org/10.1016/0924-4247(96)80086-0.

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32

Yeo, Leslie Y., and James R. Friend. "Surface Acoustic Wave Microfluidics." Annual Review of Fluid Mechanics 46, no. 1 (January 3, 2014): 379–406. http://dx.doi.org/10.1146/annurev-fluid-010313-141418.

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33

Sinha, Bikash K., and Michel Gouilloud. "Surface acoustic wave sensors." Journal of the Acoustical Society of America 78, no. 5 (November 1985): 1932. http://dx.doi.org/10.1121/1.392695.

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34

Miura, Michio. "Surface acoustic wave device." Journal of the Acoustical Society of America 113, no. 4 (2003): 1782. http://dx.doi.org/10.1121/1.1572315.

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35

Kando, Hajime, and Michio Kadota. "Surface acoustic wave device." Journal of the Acoustical Society of America 120, no. 2 (2006): 571. http://dx.doi.org/10.1121/1.2336648.

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36

da Cunha, Mauricio Pereira. "Surface acoustic wave sensor." Journal of the Acoustical Society of America 120, no. 5 (2006): 2397. http://dx.doi.org/10.1121/1.2395087.

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37

Kadota, Michio. "Surface acoustic wave device." Journal of the Acoustical Society of America 120, no. 5 (2006): 2402. http://dx.doi.org/10.1121/1.2395109.

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38

Yamamoto, Koji. "Surface acoustic wave device." Journal of the Acoustical Society of America 120, no. 5 (2006): 2402. http://dx.doi.org/10.1121/1.2395110.

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39

Takamine, Yuichi. "Surface acoustic wave device." Journal of the Acoustical Society of America 120, no. 5 (2006): 2403. http://dx.doi.org/10.1121/1.2395114.

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40

Kalantar-Zadeh, Kourosh, and Wojtek Wlodarski. "Surface acoustic wave sensor." Journal of the Acoustical Society of America 120, no. 5 (2006): 2409. http://dx.doi.org/10.1121/1.2395140.

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41

Bungo, Akihiro. "Surface acoustic wave device." Journal of the Acoustical Society of America 121, no. 1 (2007): 16. http://dx.doi.org/10.1121/1.2434272.

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42

Noguchi, Hitoshi, and Yoshihiro Kubota. "Surface acoustic wave device." Journal of the Acoustical Society of America 121, no. 4 (2007): 1834. http://dx.doi.org/10.1121/1.2723997.

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43

Nysen, Paul A., and Halvor Skeie. "Surface acoustic wave modulator." Journal of the Acoustical Society of America 121, no. 5 (2007): 2482. http://dx.doi.org/10.1121/1.2739145.

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44

Kando, Hajime. "Surface acoustic wave device." Journal of the Acoustical Society of America 121, no. 5 (2007): 2482. http://dx.doi.org/10.1121/1.2739146.

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45

Yamanouchi, Kazuhiko. "Surface acoustic wave transducer." Journal of the Acoustical Society of America 121, no. 5 (2007): 2483. http://dx.doi.org/10.1121/1.2739147.

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46

Hada, Takuo. "Surface acoustic wave device." Journal of the Acoustical Society of America 121, no. 5 (2007): 2483. http://dx.doi.org/10.1121/1.2739148.

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47

Ding, Xiaoyun, Peng Li, Sz-Chin Steven Lin, Zackary S. Stratton, Nitesh Nama, Feng Guo, Daniel Slotcavage, et al. "Surface acoustic wave microfluidics." Lab on a Chip 13, no. 18 (2013): 3626. http://dx.doi.org/10.1039/c3lc50361e.

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48

Avitabile, Gianfranco, Luca Roselli, Carlo Atzeni, and Gianfranco Manes. "Surface acoustic wave resonators." European Transactions on Telecommunications 2, no. 5 (September 1991): 547–54. http://dx.doi.org/10.1002/ett.4460020512.

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49

Shiokawa, Showko, and Jun Kondoh. "Surface acoustic wave microsensors." Electronics and Communications in Japan (Part II: Electronics) 79, no. 3 (1996): 42–50. http://dx.doi.org/10.1002/ecjb.4420790306.

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50

Yu, Tai-Ho. "Characteristic measurement of a surface acoustic wave nano-stepping motor by using a fiber-optic Michelson interferometer." Advances in Mechanical Engineering 11, no. 9 (September 2019): 168781401987619. http://dx.doi.org/10.1177/1687814019876190.

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The actuation technique of a surface acoustic wave motor with nanometer scale linear motion was experimentally investigated in this study. The surface acoustic wave motor comprised a stator made of a Y+128° cut, X-propagation lithium niobate substrate with silicon sliders and an array of pillar projections manufactured using semiconductor fabrication techniques. Two sets of interdigital transducers deposited on the substrate were used to generate Rayleigh waves with a driving frequency of up to 9.7 MHz. The surface acoustic wave motor was driven by friction exerted on the contact area between the slider and the surface acoustic waves in a retrogressive elliptical locus. The stepping motion of the surface acoustic wave motor was measured directly using a fiber-optic Michelson interferometer through demodulation with a digital signal processing method. A displacement of several nanometers was achieved at each step during the experiment.
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