The four-quadrant phase-mask coronagraph: white light laboratory results with an achromatic deviceD. Mawet, P. Riaud, J. Baudrand, P. Baudoz, A. Boccaletti, O. Dupuis and D. RouanA&A, 448 2 (2006) 801-808DOI: https://doi.org/10.1051/0004-6361:20054158
