Min Yang
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View article: Acoustic blackbody through instability-induced softening
Acoustic blackbody through instability-induced softening Open
Perfect wave absorption across all wavelengths is forbidden by the causality principle. Here we demonstrate an approach that circumvents this fundamental limitation in acoustics by coupling unstable components to achieve zero static modulu…
View article: Acoustic blackbody through instability-induced softening
Acoustic blackbody through instability-induced softening Open
Perfect wave absorption across all wavelengths is forbidden by the causality principle. Here we demonstrate an approach that circumvents this fundamental limitation in acoustics by coupling unstable components to achieve zero static modulu…
View article: Intelligent Production in the Silicone Rubber Processing Industry: Applications and Challenges
Intelligent Production in the Silicone Rubber Processing Industry: Applications and Challenges Open
This paper explores the current applications, challenges, and future development trends of intelligent production technology in the silicone rubber processing industry. By analyzing the practical applications of intelligent production tech…
View article: Ultra-broadband symmetrical acoustic coherent perfect absorbers designed by the causality principle
Ultra-broadband symmetrical acoustic coherent perfect absorbers designed by the causality principle Open
We report a methodology to reach the symmetrical broadband coherent perfect absorption in an air tube whose reliability and feasibility are demonstrated experimentally. Through rigorous analytical calculations, we discover that the causali…
View article: Acoustic metamaterial absorbers: The path to commercialization
Acoustic metamaterial absorbers: The path to commercialization Open
Acoustic metamaterial represents the synergism between wave physics and designed geometric structures, aimed at novel acoustic properties. For the important functionality of acoustic absorption, metamaterials face the challenges posed by a…
View article: Augmented Reality Vector Light Field Display with Large Viewing Distance Based on Pixelated Multilevel Blazed Gratings
Augmented Reality Vector Light Field Display with Large Viewing Distance Based on Pixelated Multilevel Blazed Gratings Open
Glasses-free augmented reality (AR) 3D display has attracted great interest in its ability to merge virtual 3D objects with real scenes naturally, without the aid of any wearable devices. Here we propose an AR vector light field display ba…
View article: The 266-nm ultraviolet-beam generation of all-fiberized super-large-mode-area narrow-linewidth nanosecond amplifier with tunable pulse width and repetition rate
The 266-nm ultraviolet-beam generation of all-fiberized super-large-mode-area narrow-linewidth nanosecond amplifier with tunable pulse width and repetition rate Open
We report on a compact, stable, all-fiberized narrow-linewidth (0.045 nm) pulsed laser source emitting laser beam with a wavelength of 266 nm, and tunable pulse width and repetition rate. The system is based on all-fiberized nanosecond amp…
View article: Coupled Decorated Membrane Resonators with Large Willis Coupling
Coupled Decorated Membrane Resonators with Large Willis Coupling Open
We report experimental studies on acoustic scatterers consisting of a pair of coupled decorated membrane resonators that exhibit near extreme contrast in reflection asymmetry and enhanced Willis coupling coefficient with an amplitude of 2.…
View article: An Integration Strategy for Acoustic Metamaterials to Achieve Absorption by Design
An Integration Strategy for Acoustic Metamaterials to Achieve Absorption by Design Open
As much of metamaterials’ properties originate from resonances, the novel characteristics displayed by acoustic metamaterials are a narrow bandwidth and high dispersive in nature. However, for practical applications, broadband is often a n…
View article: Breaking the barriers: advances in acoustic functional materials
Breaking the barriers: advances in acoustic functional materials Open
Acoustics is a classical field of study that has witnessed tremendous developments over the past 25 years. Driven by the novel acoustic effects underpinned by phononic crystals with periodic modulation of elastic building blocks in wavelen…
View article: Perspective: Acoustic metamaterials in transition
Perspective: Acoustic metamaterials in transition Open
Acoustic metamaterials derive their novel characteristics from the interaction between acoustic waves with designed structures. Since its inception seventeen years ago, the field has been driven by fundamental geometric and physical princi…
View article: Acoustic Coherent Perfect Absorbers as Sensitive Null Detectors
Acoustic Coherent Perfect Absorbers as Sensitive Null Detectors Open
We report the experimental realization of acoustic coherent perfect absorption (CPA) of four symmetric scatterers of very different structures. The only conditions necessary for these scatterers to exhibit CPA are that both the reflection …
View article: Hybrid membrane resonators for multiple frequency asymmetric absorption and reflection in large waveguide
Hybrid membrane resonators for multiple frequency asymmetric absorption and reflection in large waveguide Open
We report that Hybrid membrane resonators (HMRs) made of a decorated membrane resonator backed by a shallow cavity can function as Helmholtz resonators (HRs) when mounted on the sidewall of a clear waveguide for air ventilation. When two s…
View article: Optimal sound-absorbing structures
Optimal sound-absorbing structures Open
Absorption by design, with minimal sample thickness allowed by the law of nature, can now be realized by using a design recipe that incorporates the causal constraint of acoustic response as a crucial element.
View article: Acoustic Coherent Perfect Absorbers as Sensitive Null Detectors
Acoustic Coherent Perfect Absorbers as Sensitive Null Detectors Open
We report the experimental realization of acoustic coherent perfect absorption (CPA) of four symmetric scatterers of very different structures. The only conditions necessary for these scatterers to exhibit CPA are that both the reflection …
View article: Membrane-type resonator as an effective miniaturized tuned vibration mass damper
Membrane-type resonator as an effective miniaturized tuned vibration mass damper Open
Damping of low frequency vibration by lightweight and compact devices has been a serious challenge in various areas of engineering science. Here we report the experimental realization of a type of miniature low frequency vibration dampers …
View article: Subwavelength total acoustic absorption with degenerate resonators
Subwavelength total acoustic absorption with degenerate resonators Open
We report the experimental realization of perfect sound absorption by sub-wavelength monopole and dipole resonators that exhibit degenerate resonant frequencies. This is achieved through the destructive interference of two resonators' tran…
View article: Sound absorption by subwavelength membrane structures: A geometric perspective
Sound absorption by subwavelength membrane structures: A geometric perspective Open
Decorated membranes comprising a thin layer of elastic film with small rigid platelets fixed on top have been found to be efficient absorbers of low-frequency sound. In this work we consider the problem of sound absorption from a perspecti…
View article: Subwavelength perfect acoustic absorption in membrane-type metamaterials: a geometric perspective
Subwavelength perfect acoustic absorption in membrane-type metamaterials: a geometric perspective Open
Perfect absorption of low frequency sound with subwavelength absorbers has always been a challenge, owing to the difficulty in achieving impedance matching and the inherent weak absorption coefficients of materials at low frequencies. Rece…