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Integration of nanoporous materials such as metal organic frameworks (MOFs) with sensitive transducers can result robust sensing platforms for monitoring gases and chemical vapors for a range of applications. Here, we report on an…

Surface Acoustic Wave gas sensors have garnered increasing attention as highly sensitive, miniaturized, and wireless compatible platforms for molecular detection. Their unique ability to convert surface perturbations into measurable…

Surface acoustic wave (SAW) devices are widely used as filter, resonator or delay line in electronic systems in a wide range of applications: mobile communication, TVs, radar, stable resonator for clock generation, etc. The resonance…

Applied Physics · Physics 2019-07-24 Thierry Aubert , O. Elmazria , M. B. Assouar

Magnetic field measurement including a temperature compensation is essential for a magnetic field sensor. This study investigates a magnetic surface acoustic wave (MSAW) sensor in a reflective delay line configuration with two acoustic…

Signal Processing · Electrical Eng. & Systems 2023-10-09 Prince Mengue , Laurine Meistersheim , Sami Hage-Ali , Cécile Floer , Sébastien Petit-Watelot , Daniel Lacour , Michel Hehn , Omar Elmazria

We report on all-optical generation and detection of high-frequency (up to about 30 GHz) surface acoustic waves (SAWs) in GaAs/AlGaAs heterostructures with short-period Au gratings on top. A highly sensitive method for SAW detection is…

Transmission surface acoustic wave (SAW) sensors are widely used in various fields of application. In order to maximize the limit of detection (LOD) of such sensor systems, it is of high importance to understand and to be able to quantify…

Instrumentation and Detectors · Physics 2020-01-22 Phillip Durdaut , Anne Kittmann , Enrico Rubiola , Jean-Michel Friedt , Eckhard Quandt , Reinhard Knöchel , Michael Höft

Surface acoustic wave (SAW) devices are widely used in sensing and biosensing but generally suffer from strong attenuation in liquid environments. Conventional approaches rely on reflectors to reduce these losses, yet these components…

A Love wave device was designed to generate surface acoustic waves (SAWs) with strong shear-horizontal polarization, interacting with a polycrystalline Fe72Ga28 magnetostrictive layer. The shear strain induced by these waves at a frequency…

We theoretically investigate the use of Rayleigh surface acoustic waves (SAWs) for refractive index modulation in optical waveguides consisting of amorphous dielectrics. Considering low-loss Si$_3$N$_4$ waveguides with a standard core cross…

Interdigitated transducers were used to generate and detect surface acoustic waves on a thin layer of (Ga,Mn)(As,P). The out-of-plane uniaxial magnetic anisotropy of this dilute magnetic semiconductor is very sensitive to the strain of the…

In this work, topological resonance behaviors of surface acoustic waves (SAW) under a surface liquid-layer loading are investigated. By revealing influences of the liquid-layer loading on wave velocity of SAW and topological indices (Berry…

In this work, we investigate the frequency scaling of shear-horizontal (S.H.) surface acoustic wave (SAW) resonators based on a lithium niobate on insulator (LNOI) substrate into the centimeter bands for 6G wireless systems. Prototyped…

Signal Processing · Electrical Eng. & Systems 2024-06-28 Tzu-Hsuan Hsu , Joshua Campbell , Jack Kramer , Sinwoo Cho , Zhi-Qiang Lee , Ming-Huang Li , Ruochen Lu

Monitoring the health of civil engineering structures using implanted deformation, temperature and corrosion sensors would further improve maintenance and extend the service life of those structures. However, sensor integration poses a…

Signal Processing · Electrical Eng. & Systems 2023-10-09 Pierre Jeltiri , Firas Al-Mahmoud , Rémi Boissière , Baptiste Paulmier , Tony Makdissy , Omar Elmazria , Pascal Nicolay , Sami Hage-Ali

Whispering gallery mode (WGM) microcavities feature ultrahigh Q-factors and small mode volumes, offering strong light-matter interactions for sensing applications. However, unmodified surfaces are weakly responsive togas-phase refractive…

Surface acoustic wave (SAW) devices based on thin films of ZnO are a well established technology. However, SAW devices on bulk ZnO crystals are not practical at room temperature due to the significant damping caused by finite electrical…

Low-phase-noise microwave-frequency integrated oscillators provide compact solutions for various applications in signal processing, communications, and sensing. Surface acoustic waves (SAW), featuring orders-of-magnitude shorter wavelength…

Surface acoustic wave (SAW) sensors in the form of two-port resonators or delay lines are widely used in various fields of application. Readout of such sensors is achieved by electronic systems operating either in an open-loop or in a…

Instrumentation and Detectors · Physics 2019-01-10 Phillip Durdaut , Michael Höft , Jean-Michel Friedt , Enrico Rubiola

In this work, we demonstrate a C-band shear-horizontal surface acoustic wave (SH-SAW) resonator with high electromechanical coupling (kt2) of 22% and a quality factor (Q) of 565 based on a thin-film lithium niobate (LN) on silicon carbide…

Signal Processing · Electrical Eng. & Systems 2024-08-06 Tzu-Hsuan Hsu , Joshua Campbell , Jack Kramer , Sinwoo Cho , Ming-Huang Li , Ruochen Lu

Shear horizontal surface acoustic wave (SH-SAW) sensors are considered as a viable option for label-free, sensitive, real-time, and cost-effective detection. In this paper, we present the design, the fabrication and the characterization of…

Instrumentation and Detectors · Physics 2025-06-18 Alexandre Westrelin , Pierre Debavelear , Mathieu Lefevbre , Nour Abdallah , Kamal Lmimouni , Olivier Stienne , Bilel Hafsi

We observed surface acoustic wave (SAW) propagation on a multiferroic material CuB$_2$O$_4$ with use of two interdigital transducers (IDTs). The period of IDT fingers is as short as 1.6 $\mu$m so that the frequency of SAW is 3 GHz, which is…

Mesoscale and Nanoscale Physics · Physics 2019-01-23 R. Sasaki , Y. Nii , Y. Onose
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