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electric quadrupole lens |
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electric quadrupole lens [i¦lek·trik ′kwä·drə‚pōl ‚lenz] (electronics) A device for focusing beams of charged particles which has four electrodes with alternately positive and negative polarity; used in electron microscopes and particle accelerators. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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