Lie Algebraic Theory of Transfer Matrices in Ion Optics of Mass Spectrometers

✍ Scribed by Béla Erdélyi

• Publisher: John Wiley and Sons
• Year: 1996
• Tongue: English
• Weight: 973 KB
• Volume: 10
• Category: Article
• ISSN: 0951-4198
• DOI: 10.1002/(sici)1097-0231(19960715)10:9<1001::aid-rcm567>3.0.co;2-8

✦ Synopsis

A new classical perturbative method, based on Lie algebraic technics, is presented for ion optical calculations and construction of transfer matrices for autonomous systems, that is mass spectrometers based on electromagnetic fields which are independent of the distance along the optic axis and neglecting the influence of fringe fields. Some hints are given for the general case also. The method is presented in an algorithmic fashion, including the treatment of system parameters and errors, and several examples of standard optical modules are given. The relations among aberration coefficients and in principle the transfer matrices that can be derived using the theory are unlimited in order. It is hoped that the method will facilitate computations of transfer matrices and provide insight and improved design as a consequence of the Lie algebraic tools, as an optimal method to describe charged particle optical systems.