06. Light at an interface (Fermat's principle, evanescent waves, Fresnel equations)
Many thanks to Zheng Xi for his helpful feedback
0:26 Law of reflection and refraction (Snell's Law) in ray optics
1:21 Critical angle and Total Internal Reflection
2:22 Fermat's Principle: deriving Snell's Law
4:13 Fermat's Principle: deriving the law of reflection
5:40 Why Fermat's Principle works
7:49 Fermat's Principle: focusing mirrors
9:48 Law of reflection and refraction (Snell's Law) in scalar wave optics
12:29 Critical angle, (Frustrated Total Internal Reflection), evanescent waves
16:17 Continuity of the tangential electric and magnetic field at an interface
18:08 Relation between the electric and magnetic field
19:43 S- and P-polarization
21:25 Deriving the Fresnel equations
25:49 Plotting the coefficients and finding the Brewster angle
Other sources:
8.03 - Lect 18 - Index of Refraction, Reflection, Fresnel Equations, Brewster Angle
• 8.03 - Lect 18 - Index of Refraction,... (15:02 - Snell's law and Total Internal reflection)
Total Internal Reflection - Dr. Kapolka Explains Frustrated Total Internal Reflection
• Total Internal Reflection - Dr. Kapol...
Optics: Reflection at the air-glass boundary | MIT Video Demonstrations in Lasers and Optics
• Optics: Reflection at the air-glass b... (2:45 - Brewster Angle)
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