diff --git a/revised_double_dot_charge_sensor.png b/revised_double_dot_charge_sensor.png
index e2519b9..8e45a19 100644
Binary files a/revised_double_dot_charge_sensor.png and b/revised_double_dot_charge_sensor.png differ
diff --git a/revised_double_dot_charge_sensor.svg b/revised_double_dot_charge_sensor.svg
index 5542b8a..7a6b834 100644
--- a/revised_double_dot_charge_sensor.svg
+++ b/revised_double_dot_charge_sensor.svg
@@ -1,22 +1,16 @@
 <svg xmlns="http://www.w3.org/2000/svg" width="1016" height="861" viewBox="0 0 1016 861" role="img" aria-labelledby="title desc">
   <title id="title">Double quantum dot and charge sensor schematic</title>
-  <desc id="desc">A charge sensor above a double quantum dot, with three unlabelled blue quantum-dot islands, warm gold source and drain reservoirs, and uniform Coulomb blockade peaks.</desc>
+  <desc id="desc">A charge sensor above a double quantum dot, styled with gray source and drain reservoirs, three unlabelled blue islands with black center markers, separate sensor-to-dot capacitances C CS 1 and C CS 2, and uniform Coulomb blockade peaks with a marked gate-voltage shift Delta V g.</desc>
   <defs>
     <radialGradient id="dotGradient" cx="42%" cy="36%" r="72%">
       <stop offset="0%" stop-color="#f7fbff"/>
       <stop offset="55%" stop-color="#c9dcfa"/>
       <stop offset="100%" stop-color="#92b8ef"/>
     </radialGradient>
-    <!-- Match the original schematic: pale gold at the outer edge and richer gold toward each dot. -->
-    <linearGradient id="sourceGradient" x1="0" y1="0" x2="1" y2="0">
-      <stop offset="0%" stop-color="#fff6dc"/>
-      <stop offset="58%" stop-color="#ffe2a0"/>
-      <stop offset="100%" stop-color="#f3c45f"/>
-    </linearGradient>
-    <linearGradient id="drainGradient" x1="0" y1="0" x2="1" y2="0">
-      <stop offset="0%" stop-color="#f3c45f"/>
-      <stop offset="42%" stop-color="#ffe2a0"/>
-      <stop offset="100%" stop-color="#fff6dc"/>
+    <linearGradient id="metalGradient" x1="0" y1="0" x2="1" y2="1">
+      <stop offset="0%" stop-color="#f0f0f0"/>
+      <stop offset="55%" stop-color="#cfcfcf"/>
+      <stop offset="100%" stop-color="#b7b7b7"/>
     </linearGradient>
     <linearGradient id="barrierGradient" x1="0" y1="0" x2="1" y2="0">
       <stop offset="0%" stop-color="#56baff"/>
@@ -47,10 +41,10 @@
   <rect width="1016" height="861" fill="#fff"/>
 
   <!-- Top charge-sensor reservoirs and tunnel barriers -->
-  <path d="M18 338 H91 C122 338 141 357 141 389 V426 C141 456 122 474 91 474 H18 Z" fill="url(#sourceGradient)" class="outline"/>
-  <path d="M355 339 H463 V474 H391 C361 474 344 456 344 426 V389 C344 357 363 339 391 339 Z" fill="url(#drainGradient)" class="outline"/>
-  <path d="M140 394 L184 398 L184 423 L140 427 Z" class="barrier"/>
-  <path d="M312 398 L345 394 L345 427 L312 423 Z" class="barrier"/>
+  <path d="M18 338 H91 C122 338 141 357 141 389 V426 C141 456 122 474 91 474 H18 Z" fill="url(#metalGradient)" class="outline"/>
+  <path d="M355 339 H463 V474 H391 C361 474 344 456 344 426 V389 C344 357 363 339 391 339 Z" fill="url(#metalGradient)" class="outline"/>
+  <path d="M140 394 L199 398 L199 423 L140 427 Z" class="barrier"/>
+  <path d="M297 398 L345 394 L345 427 L297 423 Z" class="barrier"/>
 
   <!-- Top gate electrodes -->
   <rect x="190" y="242" width="14" height="78" rx="7" class="gate" transform="rotate(-1 197 281)"/>
@@ -58,22 +52,35 @@
   <rect x="299" y="242" width="14" height="78" rx="7" class="gate" transform="rotate(1 306 281)"/>
 
   <!-- Charge-sensor dot -->
-  <circle cx="248" cy="409" r="64" class="dot"/>
+  <circle cx="248" cy="409" r="50" class="dot"/>
+  <circle cx="248" cy="409" r="7" fill="#050505"/>
 
-  <!-- Capacitive link from sensor to double dot -->
-  <path d="M248 473 V516 M223 527 H273 M223 540 H273 M248 540 V590" fill="none" stroke="#111" stroke-width="4" stroke-linecap="round"/>
-  <text x="282" y="537" font-family="Georgia, serif" font-size="20" font-style="italic">C<tspan baseline-shift="sub" font-size="13">m</tspan></text>
+  <!-- Separate capacitive coupling from the charge sensor to each quantum dot -->
+  <path d="M248 459 V488 M248 488 L196 512 V520 M248 488 L309 512 V520"
+        fill="none" stroke="#111" stroke-width="3.5" stroke-linecap="round" stroke-linejoin="round"/>
+  <path d="M180 528 H212 M180 539 H212 M196 539 V635"
+        fill="none" stroke="#111" stroke-width="3.5" stroke-linecap="round"/>
+  <path d="M293 528 H325 M293 539 H325 M309 539 V635"
+        fill="none" stroke="#111" stroke-width="3.5" stroke-linecap="round"/>
+  <text x="132" y="551" font-family="Georgia, serif" font-size="18" font-style="italic">
+    C<tspan baseline-shift="sub" font-size="11">CS,1</tspan>
+  </text>
+  <text x="330" y="551" font-family="Georgia, serif" font-size="18" font-style="italic">
+    C<tspan baseline-shift="sub" font-size="11">CS,2</tspan>
+  </text>
 
   <!-- Bottom reservoirs and tunnel barriers -->
-  <path d="M18 599 H76 C106 599 124 618 124 648 V715 C124 745 106 763 76 763 H18 Z" fill="url(#sourceGradient)" class="outline"/>
-  <path d="M394 599 H493 V763 H431 C401 763 383 745 383 715 V648 C383 618 401 599 431 599 Z" fill="url(#drainGradient)" class="outline"/>
-  <path d="M123 651 L143 654 L143 707 L123 710 Z" class="barrier"/>
-  <path d="M258 655 H277 V707 H258 Z" class="barrier"/>
-  <path d="M368 654 L384 651 L384 710 L368 707 Z" class="barrier"/>
+  <path d="M18 599 H76 C106 599 124 618 124 648 V715 C124 745 106 763 76 763 H18 Z" fill="url(#metalGradient)" class="outline"/>
+  <path d="M394 599 H493 V763 H431 C401 763 383 745 383 715 V648 C383 618 401 599 431 599 Z" fill="url(#metalGradient)" class="outline"/>
+  <path d="M123 651 L150 654 L150 707 L123 710 Z" class="barrier"/>
+  <path d="M242 655 H263 V707 H242 Z" class="barrier"/>
+  <path d="M355 654 L384 651 L384 710 L355 707 Z" class="barrier"/>
 
-  <!-- Double quantum dots: reduced radius leaves an 8 px gap between islands. -->
-  <circle cx="202" cy="681" r="58" class="dot"/>
-  <circle cx="326" cy="681" r="58" class="dot"/>
+  <!-- Double quantum dots -->
+  <circle cx="196" cy="681" r="46" class="dot"/>
+  <circle cx="309" cy="681" r="46" class="dot"/>
+  <circle cx="196" cy="681" r="7" fill="#050505"/>
+  <circle cx="309" cy="681" r="7" fill="#050505"/>
 
   <!-- Bottom gate electrodes -->
   <rect x="174" y="776" width="14" height="72" rx="5" class="gate" transform="rotate(1 181 812)"/>
@@ -107,6 +114,13 @@
            C918 523 925 512 929 480 C933 450 931 351 935 351 C939 351 937 450 941 480 C945 512 952 523 970 523"
         fill="none" stroke="#f3272d" stroke-width="3" stroke-dasharray="8 7" stroke-linecap="round" stroke-linejoin="round"/>
 
+  <!-- Explicit gate-voltage separation between corresponding blue and red peaks -->
+  <path d="M760 337 H795" fill="none" stroke="#111" stroke-width="2.4"
+        marker-start="url(#arrowBlack)" marker-end="url(#arrowBlack)"/>
+  <text x="777.5" y="323" font-family="Georgia, serif" font-size="18" font-style="italic" text-anchor="middle">
+    ΔV<tspan baseline-shift="sub" font-size="11">g</tspan>
+  </text>
+
   <!-- Shift arrows -->
   <path d="M733 293 H838" fill="none" stroke="#123a83" stroke-width="3" marker-end="url(#arrowBlue)"/>
   <path d="M846 550 H737" fill="none" stroke="#ed252b" stroke-width="3" stroke-dasharray="9 6" marker-end="url(#arrowRed)"/>