">linspace</span><span class="p">(</span><span class="mf">8e9</span><span class="p">,</span> <span class="mf">18e9</span><span class="p">,</span> <span class="mi">100</span><span class="p">)</span>  <span class="c1"># Convert wavelengths to frequencies</span>

<span class="c1"># Interpolate n and k values for SiO2 over the specified frequency range</span>
<span class="n">n_k_Ag</span> <span class="o">=</span> <span class="n">load_material_RF</span><span class="p">(</span><span class="s1">&#39;Ag&#39;</span>