A spatial electrostatic beam splitter for polar molecules in weak-field-seeking states

A spatial electrostatic beam splitter composed of six charged poles for polar molecules in weak-field-seeking states is proposed. First, the schematic diagram is given. With the help of finite element software the spatial distribution of the electrical field is calculated. The dynamic process of the loading and splitting polar molecules is simulated using the classical Monte Carlo method. The influences of the longitudinal velocity of the incident molecular beam and the voltages on the loading efficiency are studied. Two output arms of the beam splitter can be cut off at a certain position to adjust the splitting ratio of the molecular beam. Then the influences of the voltages and cutting positions on the splitting ratio are investigated. The results indicate that the splitting ratio can be manipulated conveniently from 0% to 100%.