Spectral Dispersion in Arnold Shader?

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Old 08 August 2014   #1
Spectral Dispersion in Arnold Shader?

Hey everyone,

While doing some look development on transparent plastic, I was wondering if there is any way I could add a chromatic dispersion effect with Arnold aiShader.

Google took me to JFNested Dielectric Shader (created for Arnold by Psyop’s Head of Lighting Jonah Friedman). That's cool, however I would love to know before this shader, or rather if this shader did not exist, how would you do it?

Using a color'd RAMP on transmittance color swatch or refraction color swatch seems okay, but the results aren't really great.

Appreciate any help.

Thank You
-G
 
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