(((\[LeftBracketingBar]h(x,y,z)\[RightBracketingBar])^2)=(Subscript[p, z])(x,y){1+(1/2)exp[((i π)/(λ Δ(z)))((x^2)+(y^2))]+(1/2)exp[((-i π)/(λ Δ(z)))((x^2)+(y^2))]}(25))