'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'
Off-axis directional beaming of optical field diffracted by a single subwavelength metal slit with asymmetric dielectric surface gratings
Author(s): Kim S (Kim, Seyoon), Kim H (Kim, Hwi), Lim Y (Lim, Yongjun), Lee B (Lee, Byoungho)  
Source: APPLIED PHYSICS LETTERS    Volume: 90    Issue: 5  Article Number: 051113    Published: JAN 29 2007