Transparent coupled membrane metamaterials with simultaneous microwave absorption and sound reduction

Area of Science:

• Materials Science
• Wave Physics
• Nanotechnology

Background:

• Metamaterials offer advanced control over wave propagation across various physical fields.
• Simultaneous and independent control of acoustic and electromagnetic waves presents significant challenges in multi-physical manipulation.

Purpose of the Study:

• To propose and demonstrate a transparent bifunctional metamaterial.
• To achieve joint and individual engineering of acoustic and electromagnetic wave propagation.
• To develop a material for simultaneous sound reduction and electromagnetic wave dissipation.

Main Methods:

• Design and fabrication of a transparent composite coupled membrane metamaterial.
• Coating indium tin oxide (ITO) patterns on membrane surfaces.
• Experimental validation of acoustic and electromagnetic wave control capabilities.

Main Results:

• Demonstration of a transparent bifunctional metamaterial.
• Achieved simultaneous electromagnetic wave dissipation and sound reduction.
• Enabled independent and joint control over acoustic and electromagnetic waves.

Conclusions:

• The developed metamaterial successfully integrates acoustic and electromagnetic wave control.
• This research broadens the scope for multi-disciplinary studies.
• Paves the way for novel multi-functional devices in diverse applications.