A Chip-based Electrostatic Beam Splitter

doi:10.19596/j.cnki.1001-246x.8345

Abstract

Abstract:

A chip-based electrostatic beam splitter composed of six gold electrodes is proposed.Total length of the splitter is about 10 mm.Dynamic process of the loading and splitting polar molecules is simulated with classical Monte Carlo method.With the beam splitter, we can get a fix splitting ratio (0.5:0.5).If cutting off two pole electrodes, we can manipulate the splitting ratio conveniently with the voltage applied to the severed electrodes.

Key words: polar molecules, electrostatic beam splitter, splitting ratio

Qiuyang ZHONG, Nannan ZHANG, Fansheng KONG, Wenhui LI, Jing LIN, Shengqiang LI. A Chip-based Electrostatic Beam Splitter[J]. Chinese Journal of Computational Physics, 2022, 39(1): 96-100.

Figures/Tables 6

Fig.1 Schematic of the electrostatic beam splitter

Fig.2 Contour distributions of electric field at three positions (x=- 0.8 mm, 3 mm and 6 mm)

Fig.3 Distributions of molecules in y direction at three positions

Fig.4 Schematic of a beam splitter whose splitting ratio can be manipulated

Fig.5 Contour distributions of electric field at x=6 mm with different U4

Fig.6 Splitting ratios as functions of voltage difference

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[1]	WU Yan, LIU Siqi, LI Shengqiang. Electrostatic Trap and Microtrap Arrays for Cold Polar Molecules on a Chip Surface [J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2019, 36(4): 483-490.
[2]	LI Shengqiang. A Controllable Electrostatic Well for Cold Polar Molecules in Weak Field Seeking State on a Chip [J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2017, 34(6): 731-739.