Monochromatic x-ray radiation from a vacuum diode with a laser-irradiated cathode

Abstract

Investigation of spectral, spatial and temporal characteristics of a monochromatic pointx-ray source of photon energy 5 keV has been carried out. The source was set up using a laser produced titanium or aluminum plasma as a cathode and a point-tip titanium anode.Parameters of x-ray radiation in Ti K-shells are 1) spectral brightness of lO21 photons/cm2.sec.sr.keV, 2) spatial size 25O microns, and 3) X-ray pulse duration less than 20 ns.