n><span class="p">])</span>
<span class="n">d_Ag</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">array</span><span class="p">([</span><span class="mf">2e-8</span><span class="p">])</span>  <span class="c1"># Thickness of SiO2 layer in meters (e.g., 2 microns)</span>

<span class="c1"># Stack refractive indices and thicknesses for air-SiO2-air</span>
<span class="n">n_stack</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span 