Search results
Results from the WOW.Com Content Network
Metamaterials can be integrated with optical waveguides to tailor guided electromagnetic waves (meta-waveguide). [110] Subwavelength structures like metamaterials can be integrated with for instance silicon waveguides to develop and polarization beam splitters [ 111 ] and optical couplers, [ 112 ] adding new degrees of freedom of controlling ...
The history of metamaterials begins with artificial dielectrics in microwave engineering as it developed just after World War II. Yet, there are seminal explorations of artificial materials for manipulating electromagnetic waves at the end of the 19th century. [ 1 ]
EBG metamaterials, on the other hand, can be described by other periodic media concepts. These classes are sub-divided further into their three-dimensional (3D volumetric) and two-dimensional (2D planar or surface) realizations. Examples of the aforementioned types of metamaterials are provided and their known and anticipated properties are ...
[6] [7] In metamaterials, cells take the role of atoms in a material that is homogeneous at scales larger than the cells, yielding an effective medium model. [3] [4] [8] [6] [9] Some photonic metamaterials exhibit magnetism at high frequencies, resulting in strong magnetic coupling. This can produce a negative index of refraction in the optical ...
Taking thermal metamaterials as an example, the characteristic length for conductive thermal metamaterials is the thermal diffusion length. [24] Convective thermal metamaterials are characterized by the migration length of the fluid, while radiative thermal metamaterials hinge on the wavelength of thermal radiation.
While early mechanical metamaterials had regular repeats of simple unit cell structures, increasingly complex units and architectures are now being explored. Mechanical metamaterials can be seen as a counterpart to the rather well-known family of optical metamaterials and electromagnetic metamaterials. Mechanical properties, including ...
Cancer recovery coach Michelle Patidar of Chicago shared the items in her kitchen that she's replaced with safer options after being diagnosed with cancer at 32 years old.
Metamaterials Handbook is a two-volume handbook on metamaterials edited by Filippo Capolino professor of electrical engineering in University of California. [1] [2] The series is designed to cover all theory and application topics related to electromagnetic metamaterials. Disciplines have combined to study, and develop electromagnetic ...