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_sources/pages/waveguides_tir.ipynb

@@ -312,6 +312,20 @@
     "So for {term}`SOI` waveguides, the critical angle is ~24.5 degrees. For any angle greater than 24.5 degrees, there will be no transmitted wave and total internal reflection will occur."
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Quick Check - Total Internal Reflection\n",
+    "\n",
+    "What is the critical angle for total internal reflection between lithium niobate (n=2.21) and air\n",
+    "(n=1.00)?\n",
+    "<details>\n",
+    "    <summary>Answer</summary>\n",
+    "    arcsin(1.00 / 2.21) = 26.9 degrees\n",
+    "</details>"
+   ]
+  },
   {
    "attachments": {},
    "cell_type": "markdown",

pages/waveguides_tir.html

@@ -496,7 +496,10 @@ <h2> Contents </h2>
                 <ul class="visible nav section-nav flex-column">
 <li class="toc-h2 nav-item toc-entry"><a class="reference internal nav-link" href="#key-equations">Key Equations</a></li>
 <li class="toc-h2 nav-item toc-entry"><a class="reference internal nav-link" href="#reflection-and-refraction-demo">Reflection and refraction demo</a></li>
-<li class="toc-h2 nav-item toc-entry"><a class="reference internal nav-link" href="#critical-angles">Critical angles</a></li>
+<li class="toc-h2 nav-item toc-entry"><a class="reference internal nav-link" href="#critical-angles">Critical angles</a><ul class="nav section-nav flex-column">
+<li class="toc-h3 nav-item toc-entry"><a class="reference internal nav-link" href="#quick-check-total-internal-reflection">Quick Check - Total Internal Reflection</a></li>
+</ul>
+</li>
 <li class="toc-h2 nav-item toc-entry"><a class="reference internal nav-link" href="#propagation-of-light-through-a-waveguide">Propagation of Light Through a Waveguide</a></li>
 </ul>
             </nav>
@@ -707,6 +710,14 @@ <h2>Key Equations<a class="headerlink" href="#key-equations" title="Permalink to
 </div>
 </div>
 <p>So for <a class="reference internal" href="glossary.html#term-SOI"><span class="xref std std-term">SOI</span></a> waveguides, the critical angle is ~24.5 degrees. For any angle greater than 24.5 degrees, there will be no transmitted wave and total internal reflection will occur.</p>
+<section id="quick-check-total-internal-reflection">
+<h3>Quick Check - Total Internal Reflection<a class="headerlink" href="#quick-check-total-internal-reflection" title="Permalink to this heading">#</a></h3>
+<p>What is the critical angle for total internal reflection between lithium niobate (n=2.21) and air
+(n=1.00)?</p>
+<details>
+    <summary>Answer</summary>
+    arcsin(1.00 / 2.21) = 26.9 degrees
+</details></section>
 </section>
 <section id="propagation-of-light-through-a-waveguide">
 <h2>Propagation of Light Through a Waveguide<a class="headerlink" href="#propagation-of-light-through-a-waveguide" title="Permalink to this heading">#</a></h2>
@@ -789,7 +800,10 @@ <h2>Propagation of Light Through a Waveguide<a class="headerlink" href="#propaga
     <ul class="visible nav section-nav flex-column">
 <li class="toc-h2 nav-item toc-entry"><a class="reference internal nav-link" href="#key-equations">Key Equations</a></li>
 <li class="toc-h2 nav-item toc-entry"><a class="reference internal nav-link" href="#reflection-and-refraction-demo">Reflection and refraction demo</a></li>
-<li class="toc-h2 nav-item toc-entry"><a class="reference internal nav-link" href="#critical-angles">Critical angles</a></li>
+<li class="toc-h2 nav-item toc-entry"><a class="reference internal nav-link" href="#critical-angles">Critical angles</a><ul class="nav section-nav flex-column">
+<li class="toc-h3 nav-item toc-entry"><a class="reference internal nav-link" href="#quick-check-total-internal-reflection">Quick Check - Total Internal Reflection</a></li>
+</ul>
+</li>
 <li class="toc-h2 nav-item toc-entry"><a class="reference internal nav-link" href="#propagation-of-light-through-a-waveguide">Propagation of Light Through a Waveguide</a></li>
 </ul>
   </nav></div>