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|  | {{Sugdef|Time Lag Focusing|Energy focusing in a [[time-of-flight]] [[Mass Spectrometer]] that is accomplished by introducing a time delay between the formation of the ions and the application of the [[Accelerating Voltage]] pulse}}
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|  | Definition adapted from [http://link.aip.org/link/?rsinak/26/1150 Time-of-Flight Mass Spectrometer with Improved Resolution] Wiley, W. C.; McLaren, I. H.,  ''Rev. Sci. Instrum.'' '''1955''', ''26'', 1150-1157.
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|  | '''Open Question''':  Is [[Delayed Extraction]] identical to [[Time Lag Focusing]] or is it a special case that applies to desorption from surfaces?
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|  | :-- [[User:Kkmurray|K. Murray]] 11:58, 11 Jan 2005 (CST)
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