Real-time 3-D imaging using an air-coupled ultrasonic phased-array
We present an air-coupled ultrasonic imaging system based on a 40-kHz 8× 8 phased-array
for 3-D real-time localization of multiple objects in the far-field. By attaching a waveguide to …
for 3-D real-time localization of multiple objects in the far-field. By attaching a waveguide to …
Transcranial focusing of ultrasonic vortices by acoustic holograms
Acoustic vortex beams have great potential for contactless particle manipulation and torque-
based biomedical applications. However, focusing acoustic waves through highly aberrating …
based biomedical applications. However, focusing acoustic waves through highly aberrating …
Generation of acoustic vortex beams with designed Fermat's spiral diffraction grating
H Zhou, J Li, K Guo, Z Guo - The Journal of the Acoustical Society of …, 2019 - pubs.aip.org
Compared with conventional methods that require electric manipulation of the transducer,
passive diffraction gratings provide a simpler and more compact solution to generate an …
passive diffraction gratings provide a simpler and more compact solution to generate an …
Rotational manipulation by acoustic radiation torque of high-order vortex beams generated by an artificial structured plate
As a nondestructive and contactless method of rotational manipulation on objects, acoustic
radiation torque has attracted much attention in recent years. Here, we propose an effective …
radiation torque has attracted much attention in recent years. Here, we propose an effective …
Generating reconfigurable acoustic orbital angular momentum with double-layer acoustic metasurface
In this paper, a double-layer acoustic metasurface (DAM) composed of a fixed lower
acoustic metasurface (LAM) and a rotatable upper acoustic metasurface (UAM) is proposed …
acoustic metasurface (LAM) and a rotatable upper acoustic metasurface (UAM) is proposed …
Waveguide for air-coupled ultrasonic phased-arrays with propagation time compensation and plug-in assembly
Waveguides allow grating lobe free beamforming for air-coupled ultrasonic phased-arrays
by reducing the effective inter-element spacing to half wavelength. Since the sound waves …
by reducing the effective inter-element spacing to half wavelength. Since the sound waves …
[HTML][HTML] Precise micro-particle and bubble manipulation by tunable ultrasonic bottle beams
This paper reports a method to generate tunable bottle beams using an ultrasonic lens, by
which the bottle position can be precisely adjusted with the change of the acoustic …
which the bottle position can be precisely adjusted with the change of the acoustic …
Subwavelength acoustic vortex beams using self-demodulation
Acoustic vortices with subwavelength dimensions and tunable topological charge are
theoretically and experimentally synthesized at distances far beyond the Rayleigh diffraction …
theoretically and experimentally synthesized at distances far beyond the Rayleigh diffraction …
Multidirectionally patterned interdigital transducers for enhancing acoustofluidic streaming with flexible printed circuit board
M Stringer, P Dumčius, X Zhang, Y Chai… - Advanced Functional …, 2025 - Wiley Online Library
Acoustic streaming generated by surface acoustic waves (SAWs) enables diverse
acoustofluidic functions, such as fluid mixing, particle manipulation, and enhanced fluid …
acoustofluidic functions, such as fluid mixing, particle manipulation, and enhanced fluid …
[HTML][HTML] Underwater double vortex generation using 3D printed acoustic lens and field multiplexing
The generation of acoustic vortex beams has attracted an increasing amount of research
attention in recent years, offering a range of functions, including acoustic communication …
attention in recent years, offering a range of functions, including acoustic communication …