Acoustics, as a research area, is the scientific study of generation, propagation, interaction, and detection of mechanical waves in gases, liquids, and solids across audible, infrasonic, and ultrasonic frequency ranges. It encompasses theoretical and experimental analysis of wave equations, sound fields, impedance, reflection, refraction, scattering, absorption, and nonlinear effects in complex media and structures. Subfields include physical acoustics, architectural acoustics, aeroacoustics, underwater and ocean acoustics, ultrasonics, vibroacoustics, and acoustical signal processing. Research in acoustics underpins technologies for imaging, nondestructive evaluation, noise control, transducer design, acoustic metamaterials, and advanced measurement techniques for characterizing materials, devices, and environments using sound.
A team of UConn College of Engineering (CoE) researchers have achieved a major milestone in the field of phononics with the first experimental demonstration of an all-flat phononic band structure (AFB). Phononics concerns ...
General Physics
Jan 14, 2025
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Mechanical crystals, also known as phononic crystals, are materials that can control the propagation of vibrations or sound waves, just like photonic crystals control the flow of light. The introduction of defects in these ...
Over the past several decades, researchers have been getting better and better at manipulating tiny particles with acoustic waves. Dubbed "acoustic tweezers," the technology started with the simplistic trapping of particles ...
Condensed Matter
Nov 26, 2024
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Acoustic metamaterials—architected materials that have tailored geometries designed to control the propagation of acoustic or elastic waves through a medium—have been studied extensively through computational and theoretical ...
Nanophysics
Nov 21, 2024
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The pipe organ, with its strong timber base and towering metal pipes, stands as a bastion in concert halls and church sanctuaries. Even when not in use, the pipe organ affects the acoustical environment around it.
General Physics
Nov 20, 2024
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Researchers have taken a novel approach to studying the interaction between certain topological metamaterials and sound wave propagation.
Nanophysics
Nov 12, 2024
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42
A team of researchers has for the first time successfully used lasers to generate guided sound waves on the surface of a microchip. These acoustic waves, akin to the surface waves produced during an earthquake, travel across ...
Optics & Photonics
Oct 23, 2024
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121
In the context of sensory modalities, eyes work like tiny antennae, picking up light, electromagnetic waves traveling at blistering speeds. When humans look at the world, their eyes catch these waves and convert them into ...
Nanophysics
Oct 18, 2024
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169
A new software package developed by researchers at Macquarie University can accurately model the way waves—sound, water or light—are scattered when they meet complex configurations of particles.
Condensed Matter
Sep 12, 2024
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203
Scientists have made a significant leap in developing lasers that use sound waves instead of light. These phonon lasers hold promise for advancements in medical imaging, deep-sea exploration, and other areas.
Optics & Photonics
Sep 6, 2024
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