空间科学学报2017，Vol.37Issue(5)：585-592,8.DOI:10.11728/cjss2017.05.585
热离子质谱分析仪的研制及定标
Development and Calibration of Thermal Ion Mass Spectrometer
摘要
Abstract
Thermal 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 5 mV high resolution sweeping high voltage,10～20nm ultra-thin carbon foil treatment,and 30kV 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 0.499eV to 29.94keV,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.关键词
热离子/质谱分析仪/静电分析器/飞行时间Key words
Thermal ion/Mass spectrometer/Electrostatic analyzer/Time of flight分类
天文与地球科学引用本文复制引用
孔令高,申冬梅,张爱兵,郑香脂,刘勇,安雅雅,梁金宝,孙越强,朱光武,史春燕..热离子质谱分析仪的研制及定标[J].空间科学学报,2017,37(5):585-592,8.基金项目
国家自然科学基金项目(41404124)和中国科学院空间科学战略性先导科技专项项目(XDA04060202)共同资助 （41404124）
