Time-of-Flight Mass Spectrometer with Transaxial Ion Reflector

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DOI: 10.4236/jmp.2014.51011    2,620 Downloads   4,016 Views  

ABSTRACT

Two variants of application of a transaxial mirror with stigmatic spatial time-of-flight focusing in the time-of-flight mass spectrometer have been considered. In the first variant, the transaxial mirror is used as an ion reflector in the ordinary scheme of the time-of-flight mass reflectron. In the second variant, the transaxial mirror simultaneously fulfills the function of the ion reflector and corrector of aberrations caused by the energy spread of ions in the package, formed by the ion source of the mass reflectron. The expressions defining the conditions of stigmatic spatial time-of-flight focusing in the transaxial mirror and the combined system consisting of an ion source and a mirror have been derived. The relationships between geometrical and electrical parameters of three- and four-electrode transaxial mirrors realizing these conditions have been obtained by numerical calculations.

Cite this paper

S. Bimurzaev and N. Aldiyarov, "Time-of-Flight Mass Spectrometer with Transaxial Ion Reflector," Journal of Modern Physics, Vol. 5 No. 1, 2014, pp. 68-73. doi: 10.4236/jmp.2014.51011.

Conflicts of Interest

The authors declare no conflicts of interest.

References

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