Imaging in the frequency range between 100 GHz and 1 THz using Compact Free Electron Lasers

At ENEA-Frascati THz imaging experiments have been set-up in the biological and environmental field utilizing a Compact Free Electron Laser (C-FEL) at 130 GHz [1], and a second source, FEL-CATS, operating in the range 0.4 to 0.7 THz [2].