Update 2022-03-02 15:47
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@@ -1,7 +1,7 @@
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<!-- 2022-03-01 Tue 08:14 -->
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<!-- 2022-03-02 Wed 15:45 -->
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>Pre-Quantum Electrodynamics</title>
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@@ -1659,7 +1659,7 @@ These forms for incident, reflected and transmitted wave can be substituted in t
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<p>
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From now on we will orient the axes so that \({\boldsymbol k}_I\) lies in the \(xz\) plane. This means that \({\boldsymbol k}_R\) and \({\boldsymbol k}_T\) also lie in that plane. This is the
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</p>
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<div class="core div" id="orgab5561c">
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<div class="core div" id="orge681e56">
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<p>
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{\bf First law of reflection:}
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the incident, reflected and transmitted wave vectors form a plane (called the plane of incidence) which also includes the normal to the surface.
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@@ -1674,7 +1674,7 @@ Specializing (\ref{eq:RTObliquek}) to our notations, we have
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with the incidence (\(\theta_I\)) and reflection (\(\theta_R\)) angles
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and the angle of refraction (\(\theta_T\)) obey the following laws:
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</p>
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<div class="core div" id="orgfe980d3">
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<div class="core div" id="orgfbf5032">
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<p>
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{\bf Law of reflection}
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\[
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@@ -1732,7 +1732,7 @@ while the third equation becomes
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\]
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Writing everything in terms of the incident amplitude, we get
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</p>
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<div class="main div" id="org3d560e5">
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<div class="main div" id="orgcf2803c">
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<p>
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{\bf Fresnel's equations for reflection and transmission amplitudes (parallel case)}
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\[
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@@ -1752,7 +1752,7 @@ Amplitudes for transmitted and reflected wave: depend on angle of incidence:
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Behaviour: for \(\theta_I = 0\) we recover (\ref{Gr(9.82)}).
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For grazing waves \(\theta_I \rightarrow \pi/2\) we have that \(\alpha \rightarrow \infty\) and the wave is totally reflected. The most interesting angle is the one at which \(\alpha = \beta\) and the reflected wave has zero amplitude. This is known as
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</p>
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<div class="main div" id="org88a1e03">
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<div class="main div" id="org7503b43">
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<p>
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{\bf Brewster's angle {\it (at which the reflected wave amplitude vanishes)}}
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\[
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@@ -1802,7 +1802,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
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</div>
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<div id="postamble" class="status">
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<p class="author">Author: Jean-Sébastien Caux</p>
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<p class="date">Created: 2022-03-01 Tue 08:14</p>
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<p class="date">Created: 2022-03-02 Wed 15:45</p>
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<p class="validation"></p>
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</div>
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