The electrodes moving the 500eV electron beam.   One is 2Hz and 3Hz (+/-10V on the electrodes), one is 2MHz and 2.000001MHz.    #physics #accelerators<p><video src='posts/202507/post-20250702-202943-a.mp4' loading='lazy' controls></video></p><p><video src='posts/202507/post-20250702-202943-b.mp4' loading='lazy' controls></video></p>