Title :
Compensation of focus blurring of Ag slab superlens with intrinsic loss of absorption
Author :
Lee, Kwangchil ; Park, Haesung ; Kim, Jaehoon ; Kang, Gumin ; Kim, Kyoungsik
Author_Institution :
Sch. of Mech. Eng., Yonsei Univ., Seoul
Abstract :
Using non-impedance matching condition, we improved image quality of Ag slab superlens with ~69% enhanced visibility and ~138% increased depth of field of contrast 0.5 through our FDTD calculation.
Keywords :
finite difference time-domain analysis; lenses; optical focusing; optical images; Ag; FDTD; focus blurring compensation; image quality; nonimpedance matching condition; optical absorption loss; slab superlens; Absorption; Finite difference methods; Impedance matching; Lithography; Optical films; Optical materials; Optical refraction; Optical surface waves; Slabs; Time domain analysis; (160.4670) Optical materials; (350.3618) Left-handed materials;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
