https://www.creativeshrimp.com/uber-glass-shader-blender.html - Nodes and Project Files
Simulating a glass shader with dispersion, caustics and other wizardry in Cycles can be tedious, due to the architecture of path-tracing engines. In this Blender tutorial we'll explore some cool workarounds!

WARNING: To be able to follow along the tutorial, a decent video card is required. I have GeForce GTX 1080.

The glass tutorial timeline:
2:18 - Setting up Blender
6:05 - Adding HDRi Environment
8:18 - Refraction & Dispersion
15:53 - Reflection
18:34 - Subsurface Scattering and Translucency
21:05 - Absorption (Raylength)
24:22 - Fake Caustics in Cycles
30:47 - Volume Shader
32:49 - Roughness
37:06 - Speed-up Hack
39:30 - Final Tweaks

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Big Thanks To KGB Survivalist https://www.youtube.com/user/KGBsurivalist Filmed with high speed camera Phantom v2010 at 25,000 - 62000fps My other projects: ...