title: Mirrors that are electron transparent for use in free-electron-laser oscillators.
abstract: The surface motion of a gold-coated Mylar pellicle was measured interferometrically while the pellicle was subjected to bombardment from a 15-MeV, 40-mA pulsed electron beam. No surface motion as large as 0.3 microm was observed during the electron pulse. A radiation dose of 5 x 10(7) rad did not damage the surface. The results show that this foil can be used as an end mirror in free-electron-laser oscillators.
authors.forename: J H
authors.initials: JH
authors.lastname: McAdoo
authors.forename: V L
authors.initials: VL
authors.lastname: Granatstein