Borislav Vasic, Rados Gajic, Kurt Hingerl,
"Graded photonic crystals for implementation of gradient refractive index media"
, in Journal of Nanophotonics, Vol. 5, Nummer 051806, 2011, ISSN: 1934-2608
Original Titel:
Graded photonic crystals for implementation of gradient refractive index media