A closed form of a kurtosis parameter of a hypergeometric-Gaussian type-II beam

Khannous F, Ebrahim A A A, Belafhal A^†,

Comparisons between the kurtosis parameter K value of the elegant Laguerre–Gaussian beam as a function of the Fresnel number F and that of the HyGG-II beam as a function of the Fresnel number F in the cases: m = 1 (a) and 2 (b).