Title :
THz artificial dielectric lens
Author :
Mendis, R. ; Nagai, M. ; Wang, Y. ; Karl, N. ; Mittleman, D.M.
Author_Institution :
Dept. of Electr. & Comput. Eng., Rice Univ., Houston, TX, USA
Abstract :
We demonstrate a THz lens designed using an artificial-dielectric medium fabricated from a stack of stainless-steel plates. The lens is capable of focusing a 20 mm diameter beam to a spot size of 4 mm.
Keywords :
dielectric materials; laser beams; lenses; optical design techniques; optical fabrication; optical focusing; stainless steel; artificial-dielectric medium; laser beam; optical focusing; size 20 mm; size 4 mm; stack plates; stainless-steel plates; terahertz artificial dielectric lens design; terahertz artificial dielectric lens fabrication; Cutoff frequency; Dielectrics; Electric fields; Focusing; Lenses; Media; Optical surface waves;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
