Small-Signal Gain of a FEL (Free Electron Laser) in a Resonator Gaussian Mode.
Technical rept. 1 Oct 83-30 Sep 84,
CALIFORNIA UNIV SANTA BARBARA QUANTUM INST
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An analytical expression is presented for the small signal gain of a Free Electron Laser FEL in the presence of a gaussian mode. The one-dimensional Vlasov equation is used to describe the electron beam evolution. The perturbative result is valid for small values of the parameter qlength of the undulator L divided by the Rayleigh range z sub R.
- Lasers and Masers