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

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

Intensity distributions of the HyGG-II beam each as a function of r with λ = 0.6328 μm, m = 1, ω₀ = 2 mm for z = z_R (a), 4z_R (b), and 6z_R (c).