A Satellite-borne Miniature Ion Mass Spectrometer for Space Plasma |
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| Kong Linggao, Zhang Aibing, Zheng Xiangzhi, An Yaya, Wang Wenjing, Tian Zhen, Guan Yibing, Liu Chao, Ding Jianjing, Sun Yueqiang. A Satellite-borne Miniature Ion Mass Spectrometer for Space Plasma[J]. Chinese Journal of Space Science, 2015, 35(6): 755-762. doi: 10.11728/cjss2015.06.755 |
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| Authors: | Kong Linggao Zhang Aibing Zheng Xiangzhi An Yaya Wang Wenjing Tian Zhen Guan Yibing Liu Chao Ding Jianjing Sun Yueqiang |
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| Affiliation: | National Space Science Center, Chinese Academy of Sciences, Beijing 100190 |
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| Abstract: | The miniature design technology is an important trend in space exploration. Mass spectrometer is used extensively in the space environment detection. The miniature ion mass spectrometer utilizes a 127° cylindrical electrostatic analyzer accompanied with a Time of Flight (TOF) unit based on ultrathin carbon foil to measure the energy spectra and composition of space plasma. The Time of Flight technique has been used broadly in space plasma measurement. A new type of miniature method for the ion mass spectrometer is introduced. The total mass of the instrument is 1.8 kg and the total power consumption is 2.0W. The calibration results show that the energy measurement range is 8.71～43550eV, the energy resolution is 1.86% and the ion mass from 1 amu (1 amu = 1.67 × 10-27 kg) to 58 amu can be resolved by the miniature mass spectrometer. The miniature ion mass spectrometer also has a potential to be increased in the field of view by an electrostatic deflecting system to extend its application in space plasma detection. The miniature ion mass spectrometer has been selected for pre-study of Chinese Strategic Priority Research Program on Space Science. |
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| Keywords: | Satellite-borne Miniature Mass spectrometer Space plasma |
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