alternating-gradient focusing


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alternating-gradient focusing

[′ȯl·tər·nād·iŋ ¦grād·ē·ənt ′fō·kəs·iŋ]
(electromagnetism)
A configuration of transverse electric or magnetic fields suitable for focusing or confining a charged-particle beam in which successive magnets or electrodes (in time or along the beam direction) have opposite polarity.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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