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Acoustic water display.

Félix Sisombat1, Thibaut Devaux2, Samuel Callé1

  • 1GREMAN UMR 7347, Université de Tours, CNRS, INSA Centre Val de Loire, 41000, Blois, France.

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Summary
This summary is machine-generated.

This study introduces a novel display technology using acoustic radiation pressure to shape water-air interfaces, enabling optical information transmission across challenging media boundaries.

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Area of Science:

  • Physics
  • Acoustics
  • Optics
  • Materials Science

Background:

  • Conventional wireless transmission faces challenges communicating between media with high impedance mismatch, like air and water, due to signal reflection at interfaces.
  • Efficient information transfer across such boundaries is crucial for various technological applications.

Purpose of the Study:

  • To develop a novel display technology for optical information transmission across the air-water interface.
  • To utilize acoustic radiation pressure for dynamic interface manipulation and information display.

Main Methods:

  • Employing acoustic radiation pressure to induce spatiotemporal deformations of a water-air interface.
  • Dynamically shaping the water-air interface in real-time using tuned acoustic fields.
  • Creating complex surface deformations, including ellipsoidal shapes, without physical contact.

Main Results:

  • Demonstrated real-time control over water-air interface shape via acoustic radiation pressure.
  • Successfully generated contactless complex deformations on the water surface.
  • Created a virtual seven-segment display on the water surface, showing numeric values from 0 to 9.

Conclusions:

  • This novel approach enables optical information transmission across the air-water interface by dynamically shaping the boundary.
  • The technology offers new possibilities for contactless information transfer between disparate media.
  • This work lays the foundation for future advancements in cross-media communication systems.