Cathode temperature in Trak and OmniTrak

Both Trak and OmniTrak can include contibutions of cathode temperature to the emittance of extracted electron beams. The theory of how the thermal energy of electrons emitted a hot cathode appears as an angular beam divergence is discussed in Sect. 10.3 of the Trak manual, Sect. 11.2 of the OmniTrak manual and the the following articles […]

Playing audio files in Firefox

Playing an audio file on a website is a common activity, so it should be easy to set up. It is easy to set up! That said, I spent 3 hours trying to get things right in Firefox. In this article, I’ll go through some of the pitfalls. The simple solution appears at the end. (In […]

Squaring the screen

Our 2D and 3D analysis programs feature flexible, resizeable windows. The is a nice feature for optimizing your workspace or display. On the other hand, users have inquired about adjusting the window size so that plots in the 2D programs and slice plots in the 3D programs have true scale. In other words, a square plot […]