The expression in polar coordinate is
LGo[l_, m_, V_, R_, ϕ_] := R^l LaguerreL[m - 1, l, V R^2] Exp[-1/2 V R^2] Cos[l ϕ];
where l,m,V are parameters, and R,phi are variable. However, It can't be visualized by Polar Plot.
Is there any way to show it？