Superfocusing by nanoshells

• Published in: Optics letters Vol. 34; no. 7; p. 1057
• Main Author: Tsukerman, Igor
• Format: Journal Article
• Language: English
• Published: United States 01.04.2009

Recently researchers demonstrated, both theoretically and in the microwave range experimentally, subwavelength focusing of evanescent waves by patterned plates. The present Letter extends these ideas and the design procedure to scatterers of arbitrary shapes and to the optical range of wavelengths....