free-electron laser

noun
free-elec·​tron laser | \ ˈfrē-i-ˈlek-ˌträn- How to pronounce free-electron laser (audio) \

Definition of free-electron laser

: a laser that can be tuned over a wide range of frequencies and that produces electromagnetic radiation by the motion of electrons moving at relativistic velocities in a magnetic field

First Known Use of free-electron laser

1978, in the meaning defined above

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The first known use of free-electron laser was in 1978

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Cite this Entry

“Free-electron laser.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/free-electron%20laser. Accessed 20 Sep. 2020.

More from Merriam-Webster on free-electron laser

Britannica.com: Encyclopedia article about free-electron laser

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