'A'
Enhanced transmission through a subwavelength slit surrounded by periodic dielectric bars above the metal surface
Author(s): Li ZB (Li, Zu-Bin)1, Yang YH (Yang, Yi-Hong)1, Kong XT (Kong, Xiang-Tian)1, Zhou WY (Zhou, Wen-Yuan)1, Tian JG (Tian, Jian-Guo)1  
Source: JOURNAL OF OPTICS A-PURE AND APPLIED OPTICS    Volume: 10    Issue: 9  Article Number: 095202    Published: SEP 2008    
Authors' address:
Nankai Univ, Minist Educ, Teda Appl Phys Sch, Key Lab Weak Light Nonlinear Photon, Tianjin 300457, 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