High voltage test

High voltage test of a 500-kV photocathode DC gun for the ERL light sources in Japan

FREE-DOWNLOAD R Nagai, R Hajima, N Nishimori, T Muto… – …, 2010
Abstract A 500-kV, 10-mA photocathode DC gun has been developed in a collaboration effort
of JAEA, KEK, Hiroshima Univ. and Nagoya Univ. We have utilized a segmented cylindrical ceramic
insulator and guard-ring electrodes to prevent any damage to the insulator from electrons