Metamaterial endoscope for magnetic field transfer: near field imaging with magnetic wires Wiltshire, Michael ; Hajnal, J. V. ; Pendry, J. B. ; Edwards, D. J. ; Stevens, C. J. Abstract Publication: Optics Express Pub Date: April 2003 DOI: 10.1364/OE.11.000709 Bibcode: 2003OExpr..11..709W