First Observation of Self-Amplified Spontaneous Emission in a Free-Electron Laser at 109 nm Wavelength
arXiv:physics/0006010 · doi:10.1103/PhysRevLett.85.3825
Abstract
We present the first observation of Self-Amplified Spontaneous Emission (SASE) in a free-electron laser (FEL) in the Vacuum Ultraviolet regime at 109 nm wavelength (11 eV). The observed free-electron laser gain (approx. 3000) and the radiation characteristics, such as dependency on bunch charge, angular distribution, spectral width and intensity fluctuations all corroborate the existing models for SASE FELs.
6 pages including 6 figures; e-mail: [email protected]