W. B. Colson
Physics Department, Naval Postgraduate School, Monterey CA 93943 USA
Twenty-three years after the first operation of the short wavelength free
electron laser (FEL) at Stanford University, there continues to be many
important experiments, proposed experiments, and user facilities around the
world. Properties of FELs operating in the infrared, visible, UV, and
x-ray wavelength regimes are listed and discussed.
