Abstract

In an rf-linac-driven XUV free-electron laser oscillator, the gain depends on the details of the shape of the electron beam’s phase-space distribution, particularly the distribution of electrons in the tranverse (to the direction of propagation) position and velocity coordinates. This strong dependence occurs because the gain in this device is inhomogeneously broadened. Previous theoretical studies ¹,² have assumed that the tranverse phase space distribution is a product of uncorrelated Gaussian functions.

© 1986 Optical Society of America