'A'
Experimental investigation of superfocusing of plasmonic lens with chirped circular nanoslits
Author(s): Fu YQ (Fu, Yongqi)1,2, Liu Y (Liu, Yu)1, Zhou XL (Zhou, Xiuli)1, Xu ZW (Xu, Zongwei)3, Fang FZ (Fang, Fengzhou)3  
Source: OPTICS EXPRESS    Volume: 18    Issue: 4    Pages: 3438-3443    Published: FEB 15 2010    
Addresses:
1. Univ Elect Sci & Technol China, Sch Phys Elect, Chengdu 610054, Sichuan Prov Peoples R China
2. Chinese Acad Sci, Inst Opt & Elect, State Key Lab Opt Technol Microfabricat, Chengdu 610209, Peoples R China
3. Tianjin Univ, Ctr Micronano Mfg Technol, State Key Lab Precis Measuring Technol & Instrume, Tianjin, Peoples R China

'B'
Optical beam focusing by a single subwavelength metal slit surrounded by chirped dielectric surface gratings
Author(s): Kim S (Kim, Seyoon)1,2, Lim Y (Lim, Yongjun)1,2, Kim H (Kim, Hwi)1,2, Park J (Park, Junghyun)1,2, Lee B (Lee, Byoungho)1,2  
Source: APPLIED PHYSICS LETTERS    Volume: 92    Issue: 1  Article Number: 013103    Published: JAN 7 2008