Title :
All-dielectric metasurface focusing lens
Author :
West, Paul R. ; Stewart, James L. ; Kildishev, Alexander V. ; Shalaev, Vladimir M. ; Shkunov, Vladimir V. ; Strohkendl, Friedrich ; Zakharenkov, Yuri A. ; Dodds, Robert K. ; Byren, Robert
Author_Institution :
Sch. of Electr. & Comput. Eng., Purdue Univ., West Lafayette, IN, USA
Abstract :
Dielectric metamaterial layers are lossless, and exhibit relatively high transmission efficiencies (contrary to plasmonic metasurfaces). Subwavelength dielectric lenses have been developed - demonstrating beam area contraction ratio of three, and insertion losses of 11%.
Keywords :
dielectric materials; laser beams; lenses; light transmission; optical focusing; optical losses; optical metamaterials; plasmonics; all-dielectric metasurface focusing lens; beam area contraction ratio; dielectric metamaterial layers; high transmission efficiencies; insertion losses; plasmonic metasurfaces; subwavelength dielectric lenses; Dielectrics; Focusing; Indexes; Lenses; Optical surface waves; Plasmons; Silicon;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
