Reflectron quadratic

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. 

FIGURE 3.12 Schematic diagram of the quadratic reflectron mass spectrometer of Yoshida. (Reprinted from reference 18). 

Infinite-order focusing is theoretically possible with a quadratic reflectron, in which the voltage is given by F = ax. In that case the flight time... 

Time-of-flight mass spectrometers have also been used with quadrupole ion traps, where they record the final mass spectrum in any MS" experiment. One of the first such instruments by Chien and Lubman used an electrospray source. A MALDI trapTOF was reported by Doroshenko and Cotter using a quadratic reflectron as the TOF mass analyzer. In this... 

J. Flensburg, D. Haid, J. Blomberg, J. Bielawski, and D. Ivansson. Applications and Performance of a MALDI-ToF Mass Spectrometer with Quadratic Field Reflectron Technology. J. Biochem. Biophys. Meth., 60(2004) 319-334. 

---