Devices Based on Electromagnetic and Acoustic Metamaterials
A special issue of Materials (ISSN 1996-1944).
Deadline for manuscript submissions: closed (30 November 2020) | Viewed by 2822
Special Issue Editors
Interests: acoustic and electromagnetic metamaterials; acoustic cloaks and acoustic black holes; acoustic barriers based on phononic crystals; control of flexural waves in thin plates; devices based on phononic crystals and photonic crystals
Special Issue Information
Dear Colleagues,
The study of acoustic and electromagnetic metamaterials has flourished since the beginning of the 21st century. Their fascinating properties arise from the possibility of designing and realizing artificial structures with negative values of their effective parameters. As a result, promising applications such as negative refraction in acoustics as well in electromagnetism and the potential for all kinds of devices based on it became a true possibility, no longer confined to mere speculations in articles and textbooks.
Coordinate transformations have been applied to a wide range of classical waves and have led to the proposal of acoustic, mechanical, thermal, and electromagnetic cloaks. Furthermore, the possibility of tailoring the effective parameters has led to other exciting applications, including the demonstration of gradient index lenses for acoustic and mechanical waves. The acoustic and EM analogues of black holes are also promising devices that are of current interest in the field of metamaterials. The design of metasurfaces to control the transmission and reflective properties of impinging waves has become a hot topic in the last few years. For the last several decades, there have been designs for noise barriers based on phononic crystals, but only recently have we experienced a twist thanks to the introduction of metamaterials, allowing for the design of barriers with thicknesses much smaller than the wavelength of the impinging noise. More recently, the rapid development of additive manufacturing (3D printing) has enabled the fabrication of metamaterials devices that are impractical or impossible to make using traditional techniques.
The field of metamaterials is advancing into the development of new kinds of devices, poised to become commercial products in the coming years. It is our pleasure to invite you to submit a manuscript for this Special Issue. Full papers, communications, and reviews are all welcome.
Prof. Dr. José Sánchez-Dehesa
Dr. Matthew D. Guild
Guest Editors
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Keywords
- Acoustic and mechanical devices based on metamaterials
- Devices based on electromagnetic metamaterials
- Acoustic and electromagnetic cloaks
- Acoustic and electromagnetic black holes
- Acoustic devices for underwater applications
- Devices based on metasurfaces.
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