Metamaterials

Metamaterials have been in research limelight for the last few years owing to the exotic electromagnetic features these exhibit. With certain combinational forms of the design, these can be of prudent applications in developing antennas, filters, absorbers, sensors, energy harvesters, and many others. As such, the role of engineered mediums remains greatly important as the frequency region of operation determines the structure (of the medium(s)) to be developed - the fact that is exploited in the on-demand kind of tailoring the electromagnetic response of metamaterials. The relevant R&D investigators show keen interest in the fabrication of varieties of novel miniaturized devices that can be of great potentials in many micro- as well as nanotechnology-oriented applications. With this view point in mind, the Book provides the glimpse of phenomenal growth of research in this direction through covering the topics pivoted to fundamental descriptions, and theoretical and experimental results reported by pioneering scientists. It is expected that the book will be of benefit to novice researchers (such as graduate students) and expert scientists in universities and research laboratories. Some of the contents in the book are centered on industrial applications of metamaterials, thereby making the volume useful to the R&D scientists in certain industries. In summary, the book: - Provides a glimpse of the recent developments in metamaterial research - Introduces new metamaterial designs to be used in the microwave and optical regimes - Discusses the usefulness of new designs in developing absorbers and/or sensors - Explores the platforms for future technology of embedded systems

Pankaj Kumar Choudhury is a Professor at the Institute of Microengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (The National University of Malaysia), Malaysia.

1. Progress in metamaterial and metasurface technology and applications. 2. Review of effective medium theory and parametric retrieval techniques of metamaterials. 3. Engineered metamaterials through the material-by-design approach. 4. Tunable metamaterials. 5. Metamaterials-based near-perfect absorbers in the visible and infrared range. 6. Advances in metamaterials in conventional low-frequency perfect absorbers: a brief review. 7. Photonic metamaterials. 8. Active hyperbolic metamaterials and their applications: from visible to terahertz frequencies. 9. Graphene supported nanoengineered metamaterials - a mini review. 10. Asymmetric split-H based metasurfaces for identification of organic molecules. 11. Acoustic spoof surface waves control in corrugated surfaces and their applications. 12. The principle of miniaturization of microwave patch antennas. 13. Review of metamaterial-assisted vacuum electron devices.