diff --git a/docs/assets/InterferometryLab.webp b/docs/assets/InterferometryLab.webp
new file mode 100644
index 0000000..d072250
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diff --git a/docs/index.html b/docs/index.html
index 03a3a34..d7de627 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -283,7 +283,7 @@ <h1>OpenPhysics</h1>
     <section>
       <div class="section-head">
         <h2>Core Simulations</h2>
-        <span class="count">20</span>
+        <span class="count">21</span>
       </div>
       <div class="grid">
         <a class="card" href="https://openphysics.github.io/ACPhasor/" style="--hue: 33;">
@@ -352,6 +352,17 @@ <h3>Heat Transfer</h3>
             <div class="tags"><span class="tag">heat transfer</span><span class="tag">conduction</span><span class="tag">convection</span></div>
           </div>
         </a>
+        <a class="card" href="https://openphysics.github.io/InterferometryLab/" style="--hue: 334;">
+          <div class="thumb"><img src="assets/InterferometryLab.webp" alt="Interferometry Lab simulation screenshot" loading="lazy" decoding="async" width="1154" height="753"><span class="badge">IL</span></div>
+          <div class="card-body">
+            <div class="card-head">
+              <h3>Interferometry Lab</h3>
+              <span class="card-arrow" aria-hidden="true">&rarr;</span>
+            </div>
+            <p>Physical-optics simulation of Michelson, Mach-Zehnder, and Fabry-Perot interferometers: optical path length, phase, coherence, and fringe formation.</p>
+            <div class="tags"><span class="tag">optics</span><span class="tag">physical optics</span><span class="tag">interference</span></div>
+          </div>
+        </a>
         <a class="card" href="https://openphysics.github.io/LightPropagation/" style="--hue: 220;">
           <div class="thumb"><img src="assets/LightPropagation.webp" alt="Light Propagation simulation screenshot" loading="lazy" decoding="async" width="1154" height="753"><span class="badge">LP</span></div>
           <div class="card-body">
@@ -683,7 +694,7 @@ <h3>Variable Star Photometry</h3>
     </main>
 
     <footer>
-      <p>34 live simulations &middot; Built with <a href="https://scenerystack.org/">SceneryStack</a> &middot; GNU Affero GPL v3 &middot;
+      <p>35 live simulations &middot; Built with <a href="https://scenerystack.org/">SceneryStack</a> &middot; GNU Affero GPL v3 &middot;
       <a href="https://github.com/OpenPhysics/Baton">OpenPhysics/Baton</a></p>
     </footer>
   </div>
diff --git a/screenshots/InterferometryLab.png b/screenshots/InterferometryLab.png
new file mode 100644
index 0000000..5ac146f
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diff --git a/structure/repos.json b/structure/repos.json
index 44853d2..91a9b33 100644
--- a/structure/repos.json
+++ b/structure/repos.json
@@ -354,6 +354,33 @@
       ],
       "status": "active"
     },
+    {
+      "name": "InterferometryLab",
+      "displayName": "Interferometry Lab",
+      "type": "simulation",
+      "isSimulation": true,
+      "lineage": "original",
+      "upstream": null,
+      "language": [
+        "TypeScript"
+      ],
+      "framework": "SceneryStack",
+      "description": "Physical-optics simulation of Michelson, Mach-Zehnder, and Fabry-Perot interferometers: optical path length, phase, coherence, and fringe formation.",
+      "deployedUrl": "https://openphysics.github.io/InterferometryLab",
+      "physicsTopics": [
+        "optics",
+        "physical optics",
+        "interference",
+        "coherence",
+        "wave optics"
+      ],
+      "screens": [
+        "Michelson",
+        "Mach-Zehnder",
+        "Fabry-Perot"
+      ],
+      "status": "active"
+    },
     {
       "name": "jscd48",
       "displayName": "jscd48",