Homework about modern optics

  • Thread starter Duboo
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Duboo
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Homework Statement:
Problem 2.18 is what I want to know. I think I have to use equation (eq 2.72) about phase difference in TIR, but , I'm not sure because n=1.65 so it's complicate..
Relevant Equations:
At picture
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Answers and Replies

  • #2
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Which part is unclear?
From geometry you can relate the angle at A to the angle for the reflection. From the condition that linearly polarized light becomes circular polarized light you can calculate the phase difference ##\Delta## you need. You don't need to solve for the angle here luckily, you just need to show that the given value makes the equation correct.
 

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