FEL: Difference between revisions
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A '''free-electron laser''' ('''FEL''') is a fourth generation light source producing extremely brilliant and short pulses of radiation. An FEL functions much as a [[laser]] but employs relativistic electrons as a [[active laser medium|gain medium]] instead of using [[Laser|stimulated emission]] from atomic or molecular excitations. | |||
For more information, see [[wikipedia:Free-electron_laser|Wikipedia]]. | |||
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[[Category:Pages linking to Wikipedia]] | |||
Latest revision as of 10:57, 16 December 2025
A free-electron laser (FEL) is a fourth generation light source producing extremely brilliant and short pulses of radiation. An FEL functions much as a laser but employs relativistic electrons as a gain medium instead of using stimulated emission from atomic or molecular excitations.
For more information, see Wikipedia.