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Simply superb, i watched most of your GIF Keep going, Keep growing
Here is the syntax ...any one can suggest idea in limiting with any other commands Manipulate[Switch[a, 1, DensityPlot[(Cos[((Pi*2*((x^2 + y^2)/(2 R))/lambda) + Pi/2)])^2, {x, -0.2, 0.2}, {y, -0.2, 0.2},...