Optimization of Cylindrical Ion Traps for Testing Low Mass Ions

Author:

Zhao Zhan Feng1,Jiang Jie1,Zhou Zhi Quan1

Affiliation:

1. Harbin Institute of Technology

Abstract

Optimization of cylindrical ion trap is to be done for testing low mass ions such as H2+, H3+ ,He+. The principle of optimization is reducing the higher order fields, not the “-10% compens- ation” rule introduced by R.Graham Cooks. The model of CIT is built by CST. The best z0 is obtained when r0=10mm. At last, the MS of Hydrogen and Helium shows the optimization is successful.

Publisher

Trans Tech Publications, Ltd.

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4. Gill, L. A.; Wells, J. M.; Badman, E.; Cooks, R. G. Procee- dings of the 45th ASMS Conference on Mass Spectrometry and Allied Topics, Palm Springs, CA, June 1-5, 1997; p.127.

5. Langmuir, D. B.; Langmuir, R. V.; Shelton, H.; Wuerker, R. F. U.S. Patent No. 3, 065, 640, (1962).

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