Physics of Negative Refraction and Negative Index Materials : Optical and Electronic Aspects and Diversified Approaches

Clifford M. Krowne, Yong Zhang

ISBN 10: 364209130X / ISBN 13: 9783642091308

Editore: Springer, 2010

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Codice articolo ABE-10697519135

Dati bibliografici

• Titolo: Physics of Negative Refraction and Negative Index Materials : Optical and Electronic Aspects and Diversified Approaches
• Editore: Springer
• Data di pubblicazione: 2010
• Lingua: Inglese
• ISBN 10: 364209130X
• ISBN 13: 9783642091308
• Rilegatura: Soft cover
• Edizione: 1st Edition
• Condizione: New
• Condizione della sovraccoperta: New

Descrizione articolo

Riassunto

There are many potentially interesting phenomena that can be obtained with wave refraction in the “wrong” direction, what is commonly now referred to as negative refraction. All sorts of physically new operations and devices come to mind, such as new beam controlling components, re?ectionless interfaces, ?at lenses, higher quality lens or “super lenses,” reversal of lenses action, new imaging components, redistribution of energy density in guided wave components, to name only a few of the possibilities. Negative index materials are generally, but not always associated with negative refracting materials, and have the added property of having the projection of the power ?ow or Poynting vector opposite to that of the propagation vector. This attribute enables the localized wave behavior on a subwavelength scale, not only inside lensesandinthenear?eldoutsideofthem,butalsoinprincipleinthefar?eld of them, to have ?eld reconstruction and localized enhancement, something not readily found in ordinary matter, referred to as positive index materials. Often investigators have had to create, even when using positive index materials, interfaces based upon macroscopic or microscopic layers, or even heterostructure layers of materials, to obtain the ?eld behavior they are se- ing. For obtaining negative indices of refraction, microscopic inclusions in a host matrix material have been used anywhere from the photonic crystal regime all the way into the metamaterial regime.

Informazioni sull?autore

The editors are well known senior research scientists at two nationally recognized research laboratories in the US, and the contributing authors, from internationally located universities, national labs, and industry, are all major contributors to the curently important and active field of negative refractive and negative index materials.