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Introduction to the special issue on active and tunable acoustic metamaterialsa).
Christina J Naify1, Bogdan-Ioan Popa2, Serife Tol2
1Applied Research Laboratories, The University of Texas at Austin, Austin, Texas 78758, USA.
The Journal of the Acoustical Society of America
|March 19, 2026
Summary
Active and tunable acoustic metamaterials offer advanced control over sound. This special issue highlights research expanding acoustic customization through dynamic properties and novel applications.
Area of Science:
- Acoustic metamaterials
- Materials science
- Wave physics
Background:
- Acoustic metamaterials are engineered materials with sub-wavelength structures.
- Traditional metamaterials have static configurations.
- Recent advancements focus on dynamic properties for enhanced acoustic control.
Purpose of the Study:
- Introduce special issues on active and tunable acoustic metamaterials.
- Categorize contributions based on active control and tunable responses.
- Highlight research advancing acoustic metamaterial capabilities.
Main Methods:
- Review of articles in The Journal of the Acoustical Society of America and JASA Express Letters.
- Grouping research by active control and tunable response categories.
- Analysis of how presented works advance the field.
Main Results:
- Identification of general categories for active control and tunable responses.
- Overview of diverse research within these categories.
- Demonstration of expanded acoustic customization.
Conclusions:
- Active and tunable acoustic metamaterials represent a significant advancement.
- The special issue showcases cutting-edge research in the field.
- Future work will continue to push the boundaries of acoustic manipulation.
