| 释义 |
un·du·la·tor
I. \ˈ ̷ ̷ ̷ ̷ˌlād.ə(r), -ātə-\ noun
(-s)
: one that undulates
< a lovely blonde lady undulator — Wall Street Journal >
II. noun
: a device consisting of a series of magnetic dipoles of alternating polarity into which a stream of particles (as electrons) moving at relativistic velocity is injected to produce intense essentially monochromatic coherent synchrotron radiation at a very few wavelengths |