Gridless Reflectrons

Despite the considerable appeal for utilizing gridless reflectrons to reduce losses in ion transmission due to scattering, designs which utilize grids to separate and 

FIGURE3.il Electrical potential diagrams of (a) a single-stage reflectron, (b) a dual-stage reflectron, (c) a quadratic reflectron, and (d) the gridless reflectron described by Wollnik and co-workers, generated by SIMION. 

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FIGURE 3.14 Diagram of the gridless reflectron described by Wollnik et al. ° showing the equipotential lines. (Reprinted with permission from reference 20). 

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