Extraordinary acoustic transmission through annuluses in air and its applications in acoustic beam splitter and concentrator

Journal Article · Mon Aug 15 00:00:00 EDT 2016 · Review of Scientific Instruments

DOI:https://doi.org/10.1063/1.4959977· OSTI ID:22597758

Ge, Yong; Liu, Shu-sen; Yuan, Shou-qi; Xia, Jian-ping; Guan, Yi-jun ^[1]; Sun, Hong-xiang ^[1]; Zhang, Shu-yi ^[2]

---

1. Research Center of Fluid Machinery Engineering and Technology, Jiangsu University, Zhenjiang 212013 (China)
2. Lab of Modern Acoustics, Institute of Acoustics, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093 (China)

We report an extraordinary acoustic transmission through two layer annuluses made of metal cylinders in air both numerically and experimentally. The effect arises from the enhancement and reconstruction of the incident source induced by different Mie-resonance modes of the annuluses. The proposed system takes advantages of the consistency in the waveform between the input and output waves, the high amplitude amplification of output waves, and the easy adjustment of structure. More interestingly, we investigate the applications of the extraordinary acoustic transmission in the acoustic beam splitter and acoustic concentrator. Our finding should have an impact on ultrasonic applications.

• OSTI ID: 22597758
• Journal Information: Review of Scientific Instruments, Vol. 87, Issue 8; Other Information: (c) 2016 Author(s); Country of input: International Atomic Energy Agency (IAEA); ISSN 0034-6748
• Country of Publication: United States
• Language: English

Related Subjects

46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
AIR
AMPLIFICATION
AMPLITUDES
BEAMS
CYLINDERS
LAYERS
METALS
RESONANCE
SOUND WAVES
TRANSMISSION
WAVE FORMS