Hu, JQBres, CSHuang, CB2018-11-082018-11-082018-11-08201810.1364/OL.43.004033https://infoscience.epfl.ch/handle/20.500.14299/151050WOS:000441505100058Talbot effect on orbital angular momentum beams: azimuthal intensity repetition-rate multiplicationtext::journal::journal article::research article