TY - JOUR AU - Xu, Ting AU - Agrawal, Amit AU - abashin, maxim AU - Chau, Kenneth AU - Lezec, Henri C2 - Nature DA - 2013-05-22 00:05:00 LA - en M1 - 497 PB - Nature PY - 2013 TI - All-angle negative refraction and active flat lensing of ultraviolet light UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=911161 ER -