DOE OSTI · 1823839
Method and apparatus for spatial compression and increased mobility resolution of ions
Abstract
Methods and apparatuses for ion peak compression and increasing resolution of ions are disclosed. Packets of ions are introduced into a device. A first electric field is applied for dispersing the ion packets temporally or spatially according to their mobilities. A second intermittent traveling wave is applied for regrouping or merging the dispersed ion packets into a lesser number of trapping regions with narrower peaks. The ions packets are compressed into the narrower peak regions by varying a duty cycle of the intermittent traveling wave.
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Ibrahim, Yehia M., Garimella, Sandilya, Smith, Richard D.. 2021-04-13. Method and apparatus for spatial compression and increased mobility resolution of ions. https://www.osti.gov/biblio/1823839
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