Author:Ismail, Y; Barnes, G; Mhlanga, T; Belyi, V; Forbes, ADate:Aug 2010As in the case of zero-order Bessel beam being produced by illuminating an axicon with a Gaussian beam, higher-order Bessel beams are generated by substituting the Gaussian beam with a Laguerre Gaussian (LG) beam. These beams hold similar ...Read more