Author(s): M. Dubois, E. Bossy, S. Enoch, S. Guenneau, G. Lerosey, and P. Sebbah
The flat-lens concept based on negative refraction proposed by Veselago in 1968 has been mostly investigated in the monochromatic regime. It was recently recognized that time development of the superlensing effect discovered in 2000 by Pendry is yet to be assessed and may spring surprises: Time-depe…
[Phys. Rev. Lett. 114, 013902] Published Tue Jan 06, 2015

http://link.aps.org/doi/10.1103/PhysRevLett.114.013902