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TUPSA064 |
The Infinitely Thin Field Emitter Mathematical Modeling |
342 |
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- E.M. Vinogradova
Saint-Petersburg State University, Saint-Petersburg, Russia
- N.V. Egorov
St. Petersburg State University, St. Petersburg, Russia
- E.V. Kalaturskaja
Saint Petersburg State University, Saint Petersburg, Russia
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In this work an axisymmetric diode electron-optical system based on a field emitter is simulated. The field emitter in the form of a thin filament of finite length is located on the flat substrate with the dielectric layer. The anode is a plane. The electrostatic potential distribution was found in an analytical form - in the form of Fourier-Bessel series in the whole area of the system under investigation. The coefficients of Fourier-Bessel series are the solution of the system of linear equations with constant coefficients.
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