Electron optical properties of a cathode lens
Autor: | M. Lenc, I. Müllerová |
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Rok vydání: | 1992 |
Předmět: |
Analytical expressions
Field (physics) Physics::Instrumentation and Detectors Chemistry business.industry Astrophysics::Instrumentation and Methods for Astrophysics Physics::Optics Electron Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials Optics Cathode lens Physics::Plasma Physics Homogeneous Physics::Accelerator Physics business Instrumentation |
Zdroj: | Ultramicroscopy. 41:411-417 |
ISSN: | 0304-3991 |
DOI: | 10.1016/0304-3991(92)90220-e |
Popis: | The basic optical parameters of the cathode lens are summarised in this paper, and exact analytical expressions for the axial aberration coefficients are derived. The values of aberration coefficients of the cathode lens are compared with those of the homogeneous field. |
Databáze: | OpenAIRE |
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