How to Simulate Total Internal Reflection in COMSOL 4.3a Using Ray Tracing?

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The discussion centers on simulating light behavior as it interacts with a sphere in COMSOL 4.3a, specifically focusing on total internal reflection. The user seeks advice on implementing ray tracing and inquires about the appropriate application of Snell's law. There is uncertainty regarding which theoretical framework to apply—Newtonian, Lagrangian, Hamiltonian, or massless. Additional information is requested to better assist with the simulation process.
frace
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Hello,
I would like to simulate a beam of light that is incident on a sphere with a refractive index and you get the total internal reflection, I would like to use ray tracing in COMSOL 4.3a. you have any advice on this?
thanks
 
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I'm sorry you are not finding help at the moment. Is there any additional information you can share with us?
 
Should I apply the law of snell and I can not figure out what expression to use: Newtonian, Lagrangian, Hemiltonian or massless. I hope someone can help me
 

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