Tunable plasmonic dichroism of Au nanoparticles self-aligned on rippled Al2O3 thin films D. Babonneau, S. Camelio, L. Simonot, F. Pailloux, P. Guérin, B. Lamongie and O. Lyon EPL, 93 2 (2011) 26005 Published online: 07 February 2011 DOI: 10.1209/0295-5075/93/26005