FEgen (v.1): Field Emission Distribution Generator Freeware Based on Fowler-Nordheim Equation

被引：1

作者：

Jevarjian, Emily ^{[1
,2
]}

Shinohara, Ryo ^{[1
,2
]}

Baryshev, Sergey, V ^{[2
]}

Schneider, Mitchell ^{[1
,2
,3
]}

机构：

[1] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA

[2] Michigan State Univ, Dept Elect & Comp Engn, E Lansing, MI 48824 USA

[3] Stanford Univ, SLAC Natl Accelerator Lab, Stanford, CA 94025 USA

来源：

IEEE TRANSACTIONS ON PLASMA SCIENCE | 2022年 / 50卷 / 09期

关键词：

Cathodes; Mathematical models; Radio frequency; Laser beams; Generators; Distribution functions; L-band; Beam dynamics; electron emission; field emission; fowler-Nordheim law; radiofrequency injector;

D O I：

10.1109/TPS.2022.3200018

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

This work presents an open-source code, FEgen, that generates initial field emission distributions based on the time-dependent Fowler-Nordheim equation. Current in-demand and open-source beam tracking software-such as ASTRA, IMPACT-T, and GPT-do not contain native distribution generator functions suitable for field emitted electron tracking and phase space analysis. The intuitive graphical user interface of FEgen generates input files shown to be fully compatible with both ASTRA and GPT. Here, detailed application examples demonstrating a subset of FEgen's capabilities are given by creating a customized emitter pattern with application to transverse beam shaping and longitudinal beam dynamic experiments.

引用

页码：2870 / 2876

页数：7

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