25 September 1995 Realizing any specified image rotation in electrostatic and magnetic imaging
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Abstract
A theory of electrostatic and magnetic imaging with any specified image rotation, developed from our previous theory of electrostatic and magnetic imaging, has been studied. The conditions of the axial electrostatic potential and magnetic induction for realizing electrostatic and magnetic imaging with any required image rotation are given. According to the given theory, not only an erect image, but also a specific rotated image (or an inverted image) can be realized. As an example, an analytical distribution of axial electrostatic potential and magnetic induction for this purpose is given to realize the electrostatic and magnetic imaging with any specified image rotated angle and magnification M equals 1 or M $NEQ 1.
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Weiqi Jin, LiWei Zhou, GuoQiang Ni, "Realizing any specified image rotation in electrostatic and magnetic imaging", Proc. SPIE 2522, Electron-Beam Sources and Charged-Particle Optics, (25 September 1995); doi: 10.1117/12.221613; https://doi.org/10.1117/12.221613
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KEYWORDS
Magnetism

Imaging systems

Image intensifiers

Image quality

Lenses

Numerical analysis

Distortion

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