Cyles: Dispersion glass materal

Hello blenderheads, I am posting my test with fake glass dispersion in Cycles. What is the approach I use? First I split glass color into RGB channels which I route into three different glass closures that have each slightly different IOR. The channels are then merged back together and voila, you have something that looks not so bad.

angels egg

Source: Cyles: Dispersion glass materal - Artwo…
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