Help with Sculpture Material

[voltron7]

Hello,

I think it might not be simple, but does anyone know what the material is called of the colored discs and how to make it in V-Ray?



Thanks for any advise.
Best regards!

[piotrus3333]

probably this:
https://en.wikipedia.org/wiki/Dichroic_filter

[voltron7]

probably this:
https://en.wikipedia.org/wiki/Dichroic_filter

That looks about right, Thank you.