| 单词 |
free-electron laser |
| 释义 |
free-electron laser
free-electron laser[′frē i¦lek‚trän ′lā·zər] (optics) A device in which a beam of relativistic electrons passes through a static periodic magnetic field to amplify a superimposed coherent optical wave and thereby produce a powerful beam of coherent light. |
| 随便看 |
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