Optimization of a Gas-Dynamic Window
for Stationary Electron Beam Output

L. N. Orlikov

Tomsk State University of Control Systems and Radioelectronics, pr. Lenina 40, Tomsk, 634050 Russia

Received June 21, 2000

Abstract—Optimization of a gas-dynamic window with differential gas evacuation is described. Changes in
the parameters of the gas jet between the window elements were taken into account during optimization. The
optimum window provides maximum pressure difference. It is shown that the pump efficiency depends on the
shape and mutual arrangement of the window elements. Under otherwise identical conditions (efficiency of
pumping), the procedure of window optimization based on the relationships obtained in this work provides the
maximum possible pressure difference.

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