Underwater sound absorption performance of acoustic metamaterials with multilayered locally resonant scatterers

Shi, Kangkang; Jin, Guoyong; Liu, Ruijie; Ye, Tiangui; Xue, Yaqiang

doi:10.1016/j.rinp.2018.11.060

Cited by 68 publications

(32 citation statements)

References 39 publications

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“…The layer is acoustically super-surface and achieves perfect sound absorption at a frequency of 500 Hz. The same year, Shi et al [101] designed a multilayer local resonance scattering body based on the local resonance mechanism and the idea of coupled resonance (see Figure 34). They used finite element analysis to study the band gap characteristics and sound absorption characteristics of the proposed multilayered locally resonant acoustic metamaterials (M-LRAMs).…”

Section: Underwater Sound Absorptionmentioning

confidence: 99%

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A Review of Acoustic Metamaterials and Phononic Crystals

2020

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As a new kind of artificial material developed in recent decades, metamaterials exhibit novel performance and the promising application potentials in the field of practical engineering compared with the natural materials. Acoustic metamaterials and phononic crystals have some extraordinary physical properties, effective negative parameters, band gaps, negative refraction, etc., extending the acoustic properties of existing materials. The special physical properties have attracted the attention of researchers, and great progress has been made in engineering applications. This article summarizes the research on acoustic metamaterials and phononic crystals in recent decades, briefly introduces some representative studies, including equivalent acoustic parameters and extraordinary characteristics of metamaterials, explains acoustic metamaterial design methods, and summarizes the technical bottlenecks and application prospects.

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Section: Underwater Sound Absorptionmentioning

confidence: 99%

“…The cross-section for a unit cell of the three proposed devices: (a) Conventional LRAMs; (b) LRAMs with double-layered cylindrical scatterers; (c) LRAMs with three-layered cylindrical scatterers[101].…”

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confidence: 99%

A Review of Acoustic Metamaterials and Phononic Crystals

2020

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“…(e)的局域共振声超材料 [71] ; (f) 内含宽度梯度变化的多尺度矩形薄板散射体的水下近似完美吸声体 [72] , Copyright © 2018, Acoustic Society of America Figure 2 (Color online) Locally resonant acoustic metamaterials of complex lattices for underwater absorption. (a)-(c) Locally resonant phononic woodpile and its simplified model [68] .…”

Section: 此外考虑到软橡胶层包覆的金属核作为单自由mentioning

confidence: 99%

“…Copyright © 2009, AIP Publishing. A unit cell of the locally resonant acoustic metamaterial with three-layered conventional scatterers (d) and cylindrical scatterers (e) [71] ; (f) the quasi-perfect underwater sound absorber containing multi-scale rectangular plates with gradiently changed widths [72] . Copyright © 2018, Acoustic Society of America 局限于空气声.…”

Section: 此外考虑到软橡胶层包覆的金属核作为单自由mentioning

confidence: 99%

A review of underwater acoustic metamaterials

et al. 2020

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“…MMAs also can be found in IR [65], lower MIR [66], UV [67], THz [68], [69], GHz [70], MHz [71], KHz [72], Hz [73] with visible/optical region as discussed above with applications like STPV [74], [75], light trapper [76], cryptography [77], thermal detector [78], sound absorption [79], underwater sound absorption [80], detectors [81], military radar devices [81], detection of explosives [82], photonic circuit [83], filter [84], refractive index sensor [85], reflector [86], thermal imaging [87], antenna [88], light detection [89], [90], energy harvesting [91], [92], imaging [93], [94], sensors [95]- [98].…”

Section: Introductionmentioning

confidence: 99%

A Wide Incident Angle, Ultrathin, Polarization-Insensitive Metamaterial Absorber for Optical Wavelength Applications

et al. 2020

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Polarization-insensitive metamaterial absorbers (MMAs) are currently attracting a great deal of interest throughout the optical region. These kinds of MMAs can be used as energy harvesting, thermal imaging, plasmonic sensor, magnetic imaging, light trapping, optical modulator, and can help to decipher an inherence for the field. Here, a polarization-insensitive ultrathin MMA has been proposed with an extensive incident angular stability for the optical region with a sandwiched three-layer structure. Tungsten (W) and silicon dioxide (SiO2) have been chosen as materials for their various advantages in the optical spectrum with higher temperature stability. The design simulated with the finite integration technique (FIT), and validation of the simulated data is assured with the interference theory model (ITM). Underlying physics of the absorption characteristics and performance of the structure are immensely explained. The design acquired an average absorption of 96.7% from 380nm to 700nm and 96.61% for both transverse electric (TE) and transverse magnetic (TM) polarization. It has a peak absorption of 99.99% at 498.25nm, and over 99% from 460nm to 540nm, due to a very good impedance match with plasmonic resonance characteristics. For both TE and TM mode, it has wide angular independence up to 60⁰, which can be used for solar cell and solar thermo-photovoltaics (STPV). The various parametric sweep also analyzed for acquiring the geometric shape with a wide bandwidth to find resonance wavelength. As the MMA shifts its resonance wavelength with the change of its dielectric thickness, it can be used as an optical sensor. Changing dielectric in a Pyrex will enable the structure to be used as a light detector. Such outstanding absorption properties render the proposed MMA a successful candidate for the optical wavelength applications mentioned above. INDEX TERMS polarization-insensitive, metamaterial absorber, incident angular stability, impedance match, plasmonic resonance characteristics.

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Underwater sound absorption performance of acoustic metamaterials with multilayered locally resonant scatterers

Cited by 68 publications

References 39 publications

A Review of Acoustic Metamaterials and Phononic Crystals

A Review of Acoustic Metamaterials and Phononic Crystals

A review of underwater acoustic metamaterials

A Wide Incident Angle, Ultrathin, Polarization-Insensitive Metamaterial Absorber for Optical Wavelength Applications

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