@article{emile:hal-00832631,
TITLE = {Dark zone in the centre of the Arago-Poisson diffraction spot of a helical laser beam.},
AUTHOR = {Emile, Olivier and Voisin, A. and Niemiec, Ronan and Viaris de Lesegno, B. and Pruvost, L. and Ropars, Guy and Emile, Janine and Brousseau, Christian},
URL = {https://hal.science/hal-00832631},
JOURNAL = {EPL - Europhysics Letters},
PUBLISHER = {European Physical Society/EDP Sciences/Societ{\`a} Italiana di Fisica/IOP Publishing},
VOLUME = {101},
NUMBER = {5},
PAGES = {54005},
YEAR = {2013},
MONTH = Mar, DOI = {10.1209/0295-5075/101/54005},
KEYWORDS = {Optics ; quantum optics ; lasers},
HAL_ID = {hal-00832631},
HAL_VERSION = {v1},
}