Radio frequency gain follower, in particular for a free electron
Regenerative ultraviolet driven photocathode
Relativistic electron synchrotron laser oscillator or amplifier
Reverse guide field free electron laser
Ribbon beam free electron laser
Rippled beam free electron laser amplifier
Self-seeded injection-locked FEL amplifer
Short wavelength free electron laser using low energy electrons
Short-period electron beam wiggler
Stable operating regime for traveling wave devices
Static periodic field device for free electron laser
Superconducting free electron laser
Synchrotron radiation excited laser
System for conditioning an electron beam for improved free-elect
Ultra-short wavelength x-ray system
Ultra-short wavelength x-ray system
Undulator where the wavelength of the radiation light is changed
Variable short period electron beam wiggler for free electron la
Wide band free electron laser with variable phase and frequency
Wideband electronic frequency tuning for orotrons