In this dissertation the design, assembly and first experimental results of a new kind of electron source is presented, which aims at reducing IBB by placing ...
Mar 15, 2023 · Eggert, Tobias (2023) Development of a Cryogenic DC Photoelectron Gun for GaAs Cathodes with Increased Charge Lifetime.
During operation, also ion-backbombardment (IBB) of the cathode has to be reduced to increase the charge lifetime. If the cathode is installed in a cryogenic ...
For high-current applications of GaAs photocathodes it is necessary to maximize the charge lifetime of the cathode material to ensure reliable operation.
Missing: Increased | Show results with:Increased
Development of a Cryogenic DC Photoelectron Gun for GaAs Cathodes with Increased ... “First setup for cooled GaAs cathodes with increased charge lifetime”.
Nov 13, 2019 · A multiyear program to build and operate a compact dc high voltage photogun with inverted insulator geometry and alkali-antimonide photocathodes.
Development of a Cryogenic DC Photoelectron Gun for GaAs Cathodes with Increased Charge Lifetime. Entwicklung einer kryogenen DC-Photoelektronen-Kanone für ...
Sep 13, 2023 · The ASU gun uses a polished copper shield between the vacuum chamber walls and the cold cathode shells in order to minimize radiation heating.
Electron beams produced by photoinjectors have a wide range of applications including colliders for high energy and nuclear physics experiments, ...
The production of such electrons requires the use of Negative Electron Affinity (NEA) activated GaAs-based cathodes operated in photoelectron guns. Because ...