Citation: | GAO T F,KONG L G,SU B,et al. Design and simulation of detector for outer heliosphere pickup ions[J]. Journal of Beijing University of Aeronautics and Astronautics,2023,49(2):367-377 (in Chinese) doi: 10.13700/j.bh.1001-5965.2021.0243 |
To enable the high-resolution detection of low-speed, low-density and low-temperature pickup ions (PUIs) in the outer heliosphere, a new high-resolution detector is designed based on the toroidal top-hat electrostatic analyzer, retarding potential analyzer and linear-electric-field time-of-flight analyzer. Using finite element simulation, the velocity range of PUIs (hydrogen) can be detected at 15.7~1072.2 km/s, with the density range being 0.0001~100 cm−3 and the temperature higher than 474.9 K. Component discrimination can also be achieved for typical pickup ions (hydrogen, helium, carbon, nitrogen, oxygen, and neon), with the mass spectral resolution (
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