THE ELECTRON-OPTICAL PROPERTIES OF IMAGE CONVERTER,
FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO
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Graphs are given, showing the dependence of coefficients A, k, the position of Gauss-image plane, and linear magnification on inter-electrode spacing. An approximate formula for calculating distortion-coefficient is derived, which agrees fairly well with experimental result. Design factors are discussed. The authors also determined the percentage of distortion empirically by means of a transparent calibrated plate. The percentage by empirical determination is 7. Distortions occur in the region and in the field distribution near the cathodes. Distortions can also be caused by electrode configurations.
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