Experimental results with a second-generation Roddier & Roddier phase mask coronagraph M. N'Diaye, K. Dohlen, S. Cuevas, P. Lanzoni, F. Chemla, C. Chaumont, R. Soummer and E. T. Griffiths A&A, 509 (2010) A8 Published online: 12 January 2010 DOI: 10.1051/0004-6361/200911874