Recent Development-2 of CADTEL Software: The Optimum Conditions of Scherzer Imaging in the Electron Magnetic Lenses

Authors

  • Hussain S. Hasan Department of Physiology and Medical Physics, College of Medicine, Al-Nahrain University, Baghdad, Iraq
  • Sura Allawi Obaid Department of Physiology and Medical Physics, College of Medicine, Al-Nahrain University, Baghdad, Iraq
  • Muhssen Salbookh Erhayief 2Department of Physics, College of Education, Mustansiriyah University, Baghdad, Iraq

DOI:

https://doi.org/10.24996/ijs.2022.63.1.15

Keywords:

Magnetic lens, Scherzer imaging, spherical aberration, resolution limit

Abstract

     CADTEL software was developed to provide the simplest and most versatile computing resource that a wide range of skilled researchers and designers can use.  In this paper, a development on this program, relying  on sixteen mathematical models, produced  a new version of CADTEL software package  which focuses on the optimum conditions of Scherzer imaging for round electron magnetic lenses.. These models depend on synthesis procedure which is mainly designed to work with the inverse design problem, and represent the axial magnetic flux density of desirable electron magnetic lens which can be proposed or selected ,  using the four (zero, low, high, infinite) magnification states.  The program provides the freedom of selecting multiple models and changing its variables (which  appear  on the home page), in addition to providing  facilities for numerous  proposed magnetic lens.  The objective properties  calculated in the program were used to compute and plot the optimum conditions  for Scherzer imaging

The CADTEL software  was written in Visual Basic – 6,  in an easy-to-use mode, even for a beginner computer user.   The results of the analysis clearly show that there is an excellent equivalent calculation which could be obtained for the same lens from CADTEL software when evaluated with other counterpart software.

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Published

2022-01-30

Issue

Section

Physics

How to Cite

Recent Development-2 of CADTEL Software: The Optimum Conditions of Scherzer Imaging in the Electron Magnetic Lenses. (2022). Iraqi Journal of Science, 63(1), 131-148. https://doi.org/10.24996/ijs.2022.63.1.15

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