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Semantic Scholar Open Access 2018 76 sitasi

Acoustic Imaging with Metamaterial Luneburg Lenses

Yangbo Xie Yangyang Fu Zhetao Jia Junfei Li Chen Shen +3 lainnya
Lihat Sumber DOI

Abstrak

The Luneburg lens is a spherically symmetrical gradient refractive index (GRIN) device with unique imaging properties. Its wide field-of-view (FoV) and minimal aberration have lead it to be successfully applied in microwave antennas. However, only limited realizations have been demonstrated in acoustics. Previously proposed acoustic Luneburg lenses are mostly limited to inherently two-dimensional designs at frequencies from 1 kHz to 7 kHz. In this paper, we apply a new design method for scalable and self-supporting metamaterials to demonstrate Luneburg lenses for airborne sound and ultrasonic waves. Two Luneburg lenses are fabricated: a 2.5D ultrasonic version for 40 kHz and a 3D version for 8 kHz sound. Imaging performance of the ultrasonic version is experimentally demonstrated.

Topik & Kata Kunci

Physics Medicine

Penulis (8)

Y

Yangbo Xie

Y

Yangyang Fu

Z

Zhetao Jia

J

Junfei Li

C

Chen Shen

Y

Yadong Xu

H

Huanyang Chen

S

S. Cummer

Format Sitasi

APA MLA BibTeX
Xie, Y., Fu, Y., Jia, Z., Li, J., Shen, C., Xu, Y. et al. (2018). Acoustic Imaging with Metamaterial Luneburg Lenses. https://doi.org/10.1038/s41598-018-34581-7

Akses Cepat

Lihat di Sumber doi.org/10.1038/s41598-018-34581-7
Informasi Jurnal
Tahun Terbit
2018
Bahasa
en
Total Sitasi
76×
Sumber Database
Semantic Scholar
DOI
10.1038/s41598-018-34581-7
Akses
Open Access ✓