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We experimentally demonstrate that the Raman active optical phonon modes of single layer graphene can be modulated by the dynamic local strain created by surface acoustic waves (SAWs). In particular, the dynamic strain field of the SAW is…

We propose a sensorization method for soft pneumatic actuators that uses an embedded microphone and speaker to measure different actuator properties. The physical state of the actuator determines the specific modulation of sound as it…

Robotics · Computer Science 2022-08-23 Vincent Wall , Gabriel Zöller , Oliver Brock

This paper presents a novel soft tactile skin (STS) technology operating with sound waves. In this innovative approach, the sound waves generated by a speaker travel in channels embedded in a soft membrane and get modulated due to a…

Robotics · Computer Science 2024-03-01 Vishnu Rajendran S , Willow Mandil , Simon Parsons , Amir Ghalamzan E

Because they are sensitive to mechanical properties of materials and can propagate even in opaque systems, acoustic waves provides us with a powerful characterization tool in numerous fields. Common techniques mostly rely on time-of-flight…

Soft Condensed Matter · Physics 2022-11-04 Nicolas Bélicard , Marc Junior Niémet-Mabiala , Jean-Noël Tourvieille , Pierre Lidon

Coupling and hybridization of different elementary excitations leads to new functionalities. In phononics and spintronics, magnetoelastic coupling between Rayleigh-type surface acoustic wave (SAW) and spin wave (SW) has recently attracted…

We use both theory and experiment to study the response of {\it partially wetting} films of water and surfactant solutions to a propagating MHz vibration in the solid substrate in the form of a Rayleigh surface acoustic wave (SAW). The SAW…

Fluid Dynamics · Physics 2018-10-16 Gennady Altshuler , Ofer Manor

Underwater data infrastructures offer natural cooling and enhanced physical security compared to terrestrial facilities, but their storage systems remain susceptible to acoustic injection attacks, where sound-induced mechanical vibrations…

Signal Processing · Electrical Eng. & Systems 2026-05-26 Adnan Abdullah , David Blow , Sara Rampazzi , Md Jahidul Islam

In their simplest form, bulk acoustic wave (BAW) devices consist of a piezoelectric crystal between two electrodes that transduce the material's vibrations into electrical signals. They are adopted in frequency control and metrology, with…

A compact versatile photoacoustic (PA) sensor for trace gas detection is reported. The sensor is based on an integrating sphere as the PA absorption cell with an organ pipe tube attached to increase the sensitivity of the PA sensor. The…

Exploiting multiple modes in a quantum acoustic device could enable applications in quantum information in a hardware-efficient setup, including quantum simulation in a synthetic dimension and continuous-variable quantum computing with…

A thin-film model for a meniscus driven by Rayleigh surface acoustic waves (SAW) is analysed, a problem closely related to the classical Landau-Levich or dragged-film problem where a plate is withdrawn at constant speed from a bath. We…

Pattern Formation and Solitons · Physics 2021-09-22 Kevin David Joachim Mitas , Ofer Manor , Uwe Thiele

Near surface seafloor properties are needed for recreational, commercial, and military applications. Construction projects on the ocean seafloors often require extensive knowledge about strength, deformability, hydraulic, thermal, acoustic,…

Atmospheric and Oceanic Physics · Physics 2009-11-04 Michael M. Harris , William E. Avera , Andrei Abelev , Frank W. Bentrem , L. Dale Bibee

The programmable metasurface is regarded as one of the most promising transformative technologies for next-generation wireless system applications. Due to the lack of effective perception ability of the external electromagnetic environment,…

Product quality assessment in the petroleum processing industry can be difficult and time-consuming, e.g. due to a manual collection of liquid samples from the plant and subsequent chemical laboratory analysis of the samples. The product…

Machine Learning · Computer Science 2021-11-23 Kamil Oster , Stefan Güttel , Lu Chen , Jonathan L. Shapiro , Megan Jobson

Development of acoustic and optoacoustic on-chip technologies calls for new solutions to guiding, storing and interfacing acoustic and optical waves in integrated silicon-on-insulator (SOI) systems. One of the biggest challenges in this…

The following development of the well-known "vertical modes and horizontal rays" approach for acoustic waves propagation in shallow water, introduced in different works, is studied. In this approach we study so-called space-time horizontal…

Mathematical Physics · Physics 2024-11-22 Aleksandr Kaplun , Boris Katsnelson

Surface acoustic waves (SAWs) have emerged as innovative and energy-efficient means to manipulate domain walls (DWs) and skyrmions in thin films with perpendicular magnetic anisotropy (PMA) owing to the magnetoelastic coupling effect. This…

Applied Physics · Physics 2023-11-28 Jintao Shuai

Smart sensing is expected to become a pervasive technology in smart cities and environments of the near future. These services are improving their capabilities due to integrated devices shrinking in size while maintaining their…

Audio and Speech Processing · Electrical Eng. & Systems 2018-12-18 Gert Dekkers , Fernando Rosas , Steven Lauwereins , Sreeraj Rajendran , Sofie Pollin , Bart Vanrumste , Toon van Waterschoot , Marian Verhelst , Peter Karsmakers

The popularity of Internet-of-Things (IoT) has provided us with unprecedented opportunities to enable a variety of emerging services in a smart home environment. Among those services, sensing the liquid level in a container is critical to…

Signal Processing · Electrical Eng. & Systems 2021-06-22 Yili Ren , Jie Yang

The development of smart polymer materials is reviewed and illustrated. Important examples of these polymers include conducting polymers, ionic gels, stimulus-response be used polymers, liquid crystalline polymers and piezoelectric…

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