Homogeneous material based acoustic concentrators and rotators with linear coordinate transformation

Area of Science:

• Acoustics
• Wave Manipulation
• Metamaterials

Background:

• Acoustic fields require precise control for advanced applications.
• Existing acoustic manipulators often have complex, inhomogeneous parameters.

Purpose of the Study:

• To design and verify a novel acoustic concentrator and rotator.
• To achieve versatile manipulation of acoustic fields using homogeneous parameters.

Main Methods:

• Linear coordinate transformation was employed for device design.
• Homogeneous layered structures were utilized for parameter control.
• Simulations were conducted to validate device functionality.

Main Results:

• The designed acoustic concentrator and rotator successfully focused and rotated acoustic fields.
• The devices exhibit homogeneous parameter distributions, simplifying fabrication.
• Simulations confirmed the intended acoustic manipulation capabilities.

Conclusions:

• The developed acoustic devices offer versatile control over acoustic fields.
• Homogeneous parameter designs facilitate practical implementation.
• These devices hold potential for applications in acoustic sensing and communication.