'A'
Optical beam manipulation through two metal subwavelength slits surrounded by dielectric surface gratings
Author(s): Zheng GG (Zheng, Gai-Ge)1, Li XY (Li, Xiang-Yin)1  
Source: JOURNAL OF OPTICS A-PURE AND APPLIED OPTICS    Volume: 11    Issue: 7  Article Number: 075002    Published: JUL 2009    
Addresses:
1. Nanjing Univ Sci & Technol, Sch Sci, Nanjing 210094, 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