四极质谱离子轨迹建模与仿真  

Modeling and Simulation of Ion Trajectory in Quadrupole Mass Spectrometry

作　　者：王玉琢[1] 马萍萍[1] 冯焱[2] 张虎忠[2] 邓玉林[1] 徐伟[1] 

机构地区：[1]北京理工大学生命学院,北京100081 [2]兰州物理研究所,甘肃兰州730000

出　　处：《北京理工大学学报》2015年第8期876-880,共5页Transactions of Beijing Institute of Technology

基　　金：国家自然科学基金资助项目(21205005);真空低温技术与物理重点实验室开放基金资助项目(ZDK1401);科技部仪器专项资助项目(2011YQ0900502;2012YQ040140-07)

摘　　要：以四极质谱的理论为出发点,阐述了离子运动轨迹的高可靠数值计算模型.结合仪器研发的实际需要,着重讨论四极质谱离子轨迹仿真系统的设计与实现,并应用该系统对四极离子阱中的高阶场、偶极激发和空间电荷效应进行了仿真论证,结果表明了仿真系统的有效性.Higher reliable numerical calculation model of ion trajectory in quadrupole massspectrometry was explained from a theoretical point of view in this paper. Combining with theactual needs of instrument study, this paper focuses on the quadrupole mass spectrometer iontrajectory simulation system design and implementation. The problems of high order fields,dipole excitation and space charge effects in quadrupole ion trap were simulated by this iontrajectory simulator. And the results demonstrate the effectiveness of the simulation system.

关 键 词：四极质谱 离子阱 多物理场 轨迹仿真 

分 类 号：N945[自然科学总论—系统科学]