title: Note: Characteristic beam parameter for the line electron gun.
abstract: We have optimized the beam parameters of line source electron gun using Stanford Linear Accelerator Centre electron beam trajectory program (EGUN), utilizing electrostatic focusing only. We measured minimum beam diameter as 0.5 mm that corresponds to power density of 68.9 kW/cm(2) at 13.5 mm in the post-anode region which is more than two-fold (33 kW/cm(2)), of the previously reported results. The gun was operated for the validation of the theoretical results and found in good agreement. The gun is now without any magnetic and electrostatic focusing thus much simpler and more powerful.
authors.affiliation: Centre for High Energy Physics, University of the Punjab, Lahore 45590, Pakistan.
authors.forename: M
authors.initials: M
authors.lastname: Iqbal
authors.forename: G U
authors.initials: GU
authors.lastname: Islam
authors.forename: Z
authors.initials: Z
authors.lastname: Zhou
authors.forename: Y
authors.initials: Y
authors.lastname: Chi