quadratic field reflectron

https://doi.org/10.1351/goldbook.12539
Reflectron in which the electric field varies with the square of the distance from the entrance and compensates for kinetic energy spread to all orders.
Source:
PAC, 2013, 85, 1515. (Definitions of terms relating to mass spectrometry (IUPAC Recommendations 2013)) on page 1580 [Terms] [Paper]