free-electron lasing

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• Free electron laser — A free electron laser, or FEL, is a laser that shares the same optical properties as conventional lasers such as emitting a beam consisting of coherent electromagnetic radiation which can reach high power, but which uses some very different… …   Wikipedia

• Relativistic electron beam — Relativistic electron beams (REBs) are streams of electrons moving at relativistic speeds. They are the lasing medium in free electron lasers (FELs) to be used in atmospheric research conducted at such entities as the Pan oceanic Environmental… …   Wikipedia

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• laser — /lay zeuhr/, n. Physics. a device that produces a nearly parallel, nearly monochromatic, and coherent beam of light by exciting atoms to a higher energy level and causing them to radiate their energy in phase. Also called optical maser. [1955 60; …   Universalium

• Laser à rayons X — Un laser à rayon X, ou laser X UV (soft x ray laser en anglais, Roetgen laser en allemand) est un dispositif qui transpose le principe et les propriétés du laser aux ondes électromagnétiques de courte longueur d onde : de l ultraviolet… …   Wikipédia en Français

• Laser pumping — is the act of energy transfer from an external source into the gain medium of a laser. The energy is absorbed in the medium, producing excited states in its atoms. When the number of particles in one excited state exceeds the number of particles… …   Wikipedia

• SLAC National Accelerator Laboratory — SLAC redirects here. For other uses, see SLAC (disambiguation). SLAC at Stanford University The SLAC National Accelerator Laboratory, originally named Stanford Linear Accelerator Center,[1] …   Wikipedia

• Self-Amplified Stimulated-Emission — Self Amplified Spontaneous (or Stimulated) Emission (SASE) is a process within a Free electron laser (FEL) by which a laser beam is created by the high energy electron beam. The lasing starts up from the random microbunching (i.e., shot noise) on …   Wikipedia

• Marlan Scully — Marlan Orvil Scully (* 3. August 1939 in Casper, Wyoming) ist ein US amerikanischer Physiker, der sich vor allem mit theoretischer Quantenoptik beschäftigt. Inhaltsverzeichnis 1 Leben 2 Werk 3 Schriften …   Deutsch Wikipedia

• Maser — For other uses, see Maser (disambiguation). A hydrogen radio frequency discharge, the first element inside a hydrogen maser (see description below) A maser is a device that produces coherent electromagnetic waves through amplification by… …   Wikipedia