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1 vote
2 answers
101 views

How can I prove that $T_\pi = 0$ at Brewster's angle? [closed]

So, I've been trying to prove this with pure trigonometry just for fun, without using the fact that $R + T = 1$, but no success. Here's my last try, using a combination of both facts that the angles ...
Italo Marinho's user avatar
0 votes
1 answer
1k views

When given light colour and refractive index, how do I find wavelength?

Example situation If I knew that this green light, which has a wavelength of 500 nm in air, travels through a medium with a refractive index of 2.4, how would I find the wavelength in the medium? ...
John Rawls's user avatar
0 votes
1 answer
2k views

Equations of Fermat's principle/Snell's law in a gradient lens (sugar aquarium)

I'm trying to animate a beam of light inside a substance with gradient index of refraction as a function of y. A good example of that is a syrup inside an aquarium like here https://www.youtube.com/...
Ralnor's user avatar
  • 59
-1 votes
1 answer
96 views

How I can prove refractive index in an environment is this? [closed]

in "Applied Quantum Mechanics" by A.F.J. Levi, is a problem that I couldn't solve it can any solve it: if electrical filed is: $$ \mathbf{E}\left(\mathbf{r}, \omega \right) =\mathbf{E}_{0}\left(\...
stackprogramer's user avatar