See Also: undulator(dictionary)

undulator (iou)



undulator noun. E20.
[from UNDULATE verb + -OR.]
Telegraphy. A pen recorder for recording Morse signals. E20.
Physics. A device in which a beam of particles is made to describe a sinusoidal path (and so emit radiation), by using a series of transverse electric or magnetic fields of alternating polarity. M20.