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Alternative TitleDevelopment and Calibration of Thermal Ion Mass Spectrometer
孔令高; 张爱兵; 郑香脂; 刘勇; 安雅雅; 梁金宝; 孙越强; 朱光武; 史春燕; 申冬梅
Source Publication空间科学学报
Keyword热离子 质谱分析仪 静电分析器 飞行时间
Abstract热离子质谱分析是空间等离子体探测的核心技术之一.热离子质谱分析仪采用了半球形静电分析器结合基于碳膜的飞行时间系统方案,是目前应用最广泛、最成熟的空间热离子质谱分析技术.热离子质谱分析仪解决了三项关键技术,即5mV高分辨扫描高压,10~20 nm超薄碳膜处理以及30 kV超高加速电压.分析仪原理样机在瑞士伯尔尼大学完成了定标试验,实现指标参数如下:能量范围为0.499 eV~29.94 keV,能量分辨率为10.5%;能够实现离子成分H~+,He~+, O~+的分辨;视场范围为360°*8.4°,角度分辨率为22.5°*8.4°.基于热离子质谱分析仪的研制基础,可以进一步开发出更高质谱分辨、更大探测视场以及小型化的等离子体探测载荷.
Other AbstractThermal ion mass discrimination is one of the key techniques for the space plasma detection. In order to measure the energy spectra and composition of space plasma, the Thermal Ion Mass Spectrometer (TIMS) utilizes a hemisphere electrostatic analyzer accompanied with a time of flight unit based on ultra-thin carbon foil. It has been used broadly in space plasma measurement. Three key techniques, such as 5mV high resolution sweeping high voltage, 10~20nm ultra-thin carbon foil treatment, and 30 kV acceleration high voltage, have been resolved in the process of TIMS development. The prototype of TIMS has been calibrated by the calibration system in the University of Bern. The calibration results show that the performances of TIMS are as follows. The energy measurement range is from 0.499 eV to 29.94 keV, and the energy resolution is 10.5%. The field of view is 360°*8.4°, and the angular resolution is 22.5°*8.4°. The main ion species including H~+,He~+,O~+ can be resolved. On the basis of the research work in this study, more advanced plasma instruments with higher mass resolution, larger field of view and more miniature design can be developed.
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GB/T 7714
孔令高,张爱兵,郑香脂,等. 热离子质谱分析仪的研制及定标[J]. 空间科学学报,2017,37(5):585-592.
APA 孔令高.,张爱兵.,郑香脂.,刘勇.,安雅雅.,...&申冬梅.(2017).热离子质谱分析仪的研制及定标.空间科学学报,37(5),585-592.
MLA 孔令高,et al."热离子质谱分析仪的研制及定标".空间科学学报 37.5(2017):585-592.
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