site stats

Broadband acoustic hyperbolic metamaterial

WebSep 20, 2024 · Acoustic metamaterials and metasurfaces have been explored in the past few years to realize a wide range of extreme responses for sound waves. As one remarkable phenomenon, extreme anisotropy and hyperbolic sound propagation are particularly challenging to realize compared to electromagnetic waves because of the … Webacoustic hyperbolic metamaterials (AHMMs) as a tool for achieving full control of acoustic waves is substantial, the realization of a br oad-band and truly hyperbolic AMM …

Broadband Acoustic Hyperbolic Metamaterial

WebApr 12, 2024 · Here we demonstrate that within the scope of this approximation the sound waves in hyperbolic metamaterials look similar to gravitational waves, and therefore the quantized sound waves (phonons)... WebOct 15, 2024 · 2016年. 49. Shuqi Chen*, Wenwei Liu, Zhancheng Li, Hua Cheng, and Jianguo Tian, “Polarization State Manipulation of Electromagnetic Waves with Metamaterials and Its Applications in Nanophotonics,” Book chapter in Metamaterials - Devices and Advanced Applications, IN-TECH, ISBN. 978-953-51-3100-7 (2016). pubivisa helsinki https://primalfightgear.net

Publications Dr. Yun Jing Research Group

WebAug 1, 2024 · In this paper, we present a topology optimization scheme to design the two-dimensional (2D) single-phase anisotropic elastic metamaterials with broadband double-negative effective material properties and demonstrate the superlensing effect at the deep-subwavelength scale. WebDec 16, 2015 · In this Letter, we report on the design and experimental characterization of a broadband acoustic hyperbolic metamaterial. The proposed metamaterial consists of … WebFeb 15, 2016 · The acoustic metamaterial filter we developed has proved to have unique property that only allow the waves with specific frequency to pass while other waves will … pubit hyvinkää

Acoustic metamaterials: Nearly perfect sound absorbers

Category:Broadband Acoustic Hyperbolic Metamaterial

Tags:Broadband acoustic hyperbolic metamaterial

Broadband acoustic hyperbolic metamaterial

Broadband single-phase hyperbolic elastic metamaterials …

WebDec 16, 2015 · A broadband hyperlens has been demonstrated using brass fins [13]. The capability of subwavelength imaging, however, stems from extreme contrast of density … WebOct 15, 2024 · Following the development of electromagnetic hyperbolic metamaterials, which exhibit broadband divergence in their photonic density of states [8], somewhat related designs of acoustic hyperbolic metamaterials were introduced [13], which exhibit similar divergence in their phonon density of states (DOS).

Broadband acoustic hyperbolic metamaterial

Did you know?

WebBroadband Acoustic Hyperbolic Metamaterial Physical Review Letters, 115,254301,2015 . Editors’ Suggestion Dingjie Suo, Sijia Guo, Weili Lin, Xiaoning Jiang and Yun Jing* Thrombolysis using multi-frequency high intensity focused ultrasound at MHz range: an in vitro study Physics in Medicine and Biology, 60 (18), 7403-7418, 2015. WebFeb 15, 2024 · We proposed an acoustic metamaterial with deep subwavelength thickness for low-frequency underwater sound absorption. The proposed hybrid metamaterial has …

WebDec 16, 2015 · Researchers have developed a metamaterial made of paper and aluminum that can manipulate acoustic waves to more than double the resolution of acoustic … WebA design of acoustic metasurfaces yielding asymmetric transmission within a certain frequency band is presented, which consists of a layer of gradient-index metasurface and a layer of nearzero index metasurface. Numerical simulations and experiments are carried out to verify this phenomenon.

Web[2–9]. Hyperbolic metamaterials are one of the most important types of metamaterials due to their extreme anisotropy and numerous possible applications, including negative … WebJun 11, 2014 · We present a unified view of practical approaches to achieve hyperbolic dispersion using thin film and nanowire structures. We also review current research in …

WebOct 26, 2016 · In this paper, we design, fabricate, and demonstrate a new kind of acoustic metamaterial element with fractal geometry, which is inspired by the fractal features of …

WebAcoustic metamaterials are useful in manipulating acoustic waves that are governed by Newton’s law of motion, the fluid continuity equation, and the thermodynamic equation of state (for adiabatic process). The acoustic wave equation in a homogeneous medium absent of a source is given by ∇2P − ρ κ ∂2P ∂ t2 = 0 pubivisa ouluWebJan 29, 2024 · This review introduces the development of acoustic metamaterials, and summarizes the basic classification, underlying physical mechanism, application scenarios, and emerging research trends for... pubit helsinkiWebAug 21, 2014 · Mei et al. [31] demonstrated that a single asymmetric decorated membrane panel can absorb up to 86% of the acoustic waves falling on it at 170 Hz, while two layers of the same material can absorb... pubivisa kysymyksiä