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首页> 外文期刊>Journal of analytical chemistry >Synthesis of ion-optical devices for the transportation of charged particle beams in mass spectrometers
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Synthesis of ion-optical devices for the transportation of charged particle beams in mass spectrometers

机译:用于在质谱仪中运输带电粒子束的离子光学装置的合成

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摘要

An approach to the creation of corpuscular-optical devices for transforming charged particle beams is discussed. These devices are useful for the optimization and creation of the most convenient configuration of the ion path. The approach relies on an inverse dynamics problem formulated on the basis of the Hamilton-Jacobi equation. Motion in the symmetry plane of a three-dimensional field is considered. The problem is solved by analytical methods. An algorithm for the construction electric fields ensuring particle motion along the desired trajectories is described. It is based on the method of physical analogies. The procedure is illustrated by an example. The calculated two-dimensional potential is extended to the 3D-space by a power series on the transverse coordinate. A device embodiment example is demonstrated on the basis of the calculated field structure.
机译:讨论了用于改造带电粒子束的漫画光学装置的方法。 这些设备可用于优化和创建离子路径的最方便的配置。 该方法依赖于基于Hamilton-Jacobi方程式制定的逆动力学问题。 考虑了三维场的对称平面中的运动。 问题是通过分析方法解决的问题。 描述了一种确保沿所需轨迹的粒子运动的施工电场的算法。 它基于物理类比的方法。 该过程通过示例说明。 计算的二维电位通过横向坐标上的功率系列扩展到3D空间。 基于计算的场结构对设备实施例进行说明示例。

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