free-electron laser

noun

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

Examples of free-electron laser in a Sentence

Recent Examples on the Web In the recent past, free-electron lasers such as the Linac Coherent Light Source at SLAC National Accelerator Laboratory in the United States have emerged as a source of bright X-ray laser light. Niranjan Shivaram, The Conversation, 4 Oct. 2023 With pulses that short, observers can harness a free-electron laser to see individual atoms in motion, molecules making and breaking bonds, and even electron orbitals in excitation. IEEE Spectrum, 26 Sep. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'free-electron laser.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1978, in the meaning defined above

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

Dictionary Entries Near free-electron laser

Cite this Entry

“Free-electron laser.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/free-electron%20laser. Accessed 28 May. 2024.

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