On the impossibility of double focusing in combined electric and magnetic fields homogeneous in Euler’ terms
- Authors: Berdnikov A.S.1, Averin I.A.1,2
-
Affiliations:
- Institute of Analytical Instrumentation
- St. Petersburg State Polytechnic University
- Issue: Vol 71, No 14 (2016)
- Pages: 1389-1391
- Section: Articles
- URL: https://journals.rcsi.science/1061-9348/article/view/182260
- DOI: https://doi.org/10.1134/S1061934816140021
- ID: 182260
Cite item
Abstract
The use of Euler’s homogeneous electric and magnetic fields can be a good basis for designing static mass spectrometers capable of operating in a spectrographic mode and enabling recording of mass spectra with a wide mass range in one measurement. It is proved mathematically that, when combined Euler’s homogeneous electric and magnetic fields are used to design a single-cascade mass-spectrometer, the double focusing mode cannot be achieved practically along the entire focal line. It is demonstrated that the use of mass spectrographic schemes in which the electric stage and the magnetic stage are separated is an inevitable solution in the creating of a mass spectrograph with high analytical performance.
About the authors
A. S. Berdnikov
Institute of Analytical Instrumentation
Author for correspondence.
Email: asberd@yandex.ru
Russian Federation, St. Petersburg, 190103
I. A. Averin
Institute of Analytical Instrumentation; St. Petersburg State Polytechnic University
Email: asberd@yandex.ru
Russian Federation, St. Petersburg, 190103; St. Petersburg, 195251