Imaging surface photonic states with a circularly polarized tip Ch. Girard, T. David, C. Chicanne, A. Mary, G. Colas des Francs, E. Bourillot, J.-C. Weeber and A. Dereux Europhys. Lett., 68 6 (2004) 797-803 Published online: 26 November 2004 DOI: 10.1209/epl/i2004-10290-6