Achromatic Four Quadrant Phase Mask Coronagraph using the Dispersion of Form BirefringenceD. Mawet, C. Lenaerts, V. Moreau, Y. Renotte, D. Rouan and J. SurdejEAS Publications Series, 8 (2003) 117-128DOI: https://doi.org/10.1051/eas:2003056
