TY - JOUR
T1 - Free-Electron-Laser Model without the Slowly-Varying-Envelope Approximation
JF - Physical Review E
Y1 - 1994
A1 - Haselhoff, E. H.
AB - A mathematical model is presented which describes the evolution of electromagnetic radiation in a free-electron laser (FEL), without any stringent assumptions regarding the envelope of the radiation pulse. The derived set of equations is nearly identical to the traditional set, which needed the assumption of a slowly varying radiation amplitude and phase. Although rapid variations in the radiation envelope do have influence on the dynamics of the electrons, ignoring this fact does not cause excessive errors. Consequently, it is concluded that the region of validity of the traditional FEL equations is much larger than has been realized sor far.
VL - 49
SN - 1063-651X
U5 - 21f8ff33fc09636ef640959bb7aa49d8
ER -