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中国物理学会期刊

重叠的环形电场和非均匀磁场质谱分析器的离子光学性质及其二级象差

CSTR: 32037.14.aps.29.330

THE ION OPTICAL PROPERTIES AND SECOND ORDER ABERRATION OF THE CROSSED TOROIDAL ELECTRIC AND INHOMOGENEOUS MAGNETIC FIELDS AS A MASS SPECTROMETER

CSTR: 32037.14.aps.29.330
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  • 本文讨论了由环形电场和非均匀磁场形成的重叠场的离子光学问题。运用变分原理(费马原理)给出离子轨迹方程,分析了这种普遍的重叠场作为质谱分析器的离子光学性质及其二级象差。本文的结果和公式对于文献上关于二级象差的理论作了进一步的概括与推广,因而具有普遍性。这对于设计与研究重叠场质谱分析器具有一定的意义。

     

    The ion optical properties of the crossed toroidal electric and inhomogeneous magnetic fields as a mass spectrometer are discussed. By means of Fermat's principle, the equations of ion trajectory are derived. The second order aberration are calculated for the crossed fields mass spectrometer.

     

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