Title :
Hypergratings: Sub-diffraction optics with anisotropic plasmonic metamaterials
Author :
Podolskiy, Viktor A. ; Thongrattanasiri, Sukosin
Author_Institution :
Dept. of Phys., Oregon State Univ., Corvallis, OR, USA
Abstract :
We propose a technique for sub-diffractional focusing in the far field of optical elements. The method combines subwavelength analogs of Fresnel lenses and planar anisotropic metamaterials, used to generate and propagate sub-diffractional information, respectively.
Keywords :
diffraction gratings; lenses; light diffraction; metamaterials; nanophotonics; optical focusing; plasmonics; Fresnel lenses; anisotropic metamaterials; hypergratings; nanophotonics; optical elements; planar metamaterials; plasmonic metamaterials; subdiffraction optics; subdiffractional focusing; Anisotropic magnetoresistance; Dielectrics; Geometrical optics; Metamaterials; Optical materials; Optical propagation; Optical sensors; Optical surface waves; Permittivity; Plasmons; 110.2990 Image formation theory; 160.1190 Anisotropic optical materials; 160.3918 Metamaterials; 250.5403 Plasmonics;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
