Polar direct drive illumination uniformity provided by the Orion facility Mauro Temporal, Benoit Canaud, Warren J. Garbett, Franck Philippe and Rafael Ramis Eur. Phys. J. D, 67 10 (2013) 205 Published online: 10 October 2013 DOI: 10.1140/epjd/e2013-40362-4