f potential, but is significantly slower. By default, <code>chili</code> uses the fast method if applicable and falls back to the general method otherwise.
</div>

<div class="optionfield"><code>FieldSweepMethod</code></div>
<div class="optiondescr">
Specifies how to calculate the field sweep. There are three possible settings: <code>'explicit'</code>, <code>'approxinv'</code>, and <code>'approxlin'</code>. <code>'explicit`</code> indicates that the spectral intensity should be calculated separately and exp