TY - JOUR AU - Yuxiang Liu AU - Hua Xu AU - Felix Stief AU - Nikolai Zhitenev AU - Miao Yu C2 - Optics Express DA - 2011-09-30 00:09:00 LA - en M1 - 19 PB - Optics Express PY - 2011 TI - Far-field superfocusing with optical fiber based surface plasmonic lens made of nanoscale concentric annular slits UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=906679 ER -