Electron trajectories in ARPES spectrometer Phoibos 100: angular dispersion of the cylindrical electrostatic lens for origins separated by 0.5 mm.
<a href="//commons.wikimedia.org/wiki/User:Ponor" title="User:Ponor">Ponor</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>