A closed form of a kurtosis parameter of a hypergeometric-Gaussian type-II beam
Khannous F, Ebrahim A A A, Belafhal A†,
       

Normalized intensity distributions of HyGG-II beam in the 3D direction at the z = 0 plane, ω0 = 1 mm and p = 1.2 for m = 1 (a), 2 (b), and 3 (c).