Electron Transport in Photocathodes as a Response to a Laser Pulse Inducing the Photoelectric Effect

IF 1.4 4区 物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY JETP Letters Pub Date : 2024-11-01 DOI:10.1134/S0021364024601878
M. V. Vladimirov, S. M. Polozov, V. I. Rashchikov
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Abstract

An analytical model has been developed to describe the electron transport in semiconductor photocathodes exposed to microwave radiation from radiofrequency photoguns. The considered model, whose applicability framework is presented, makes it possible to obtain an analytical expression for the photocurrent profile, which potentially allows a more accurate simulation of the operation regime of radiofrequency photoguns for generating ultrashort (pico- and subpicosecond) electron bunches. The dependence of photocurrent fronts on the model parameters has been considered and discussed. The main directions for the development of the model have been outlined.

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光电阴极中的电子传输对诱发光电效应的激光脉冲的响应
为了描述暴露在射频光枪微波辐射下的半导体光电阴极中的电子传输,我们建立了一个分析模型。该模型提出了适用性框架,可以获得光电流曲线的分析表达式,从而可以更精确地模拟射频光枪产生超短(皮秒和亚皮秒)电子束的运行机制。我们考虑并讨论了光电流前沿对模型参数的依赖性。此外,还概述了该模型的主要发展方向。
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来源期刊
JETP Letters
JETP Letters 物理-物理:综合
CiteScore
2.40
自引率
30.80%
发文量
164
审稿时长
3-6 weeks
期刊介绍: All topics of experimental and theoretical physics including gravitation, field theory, elementary particles and nuclei, plasma, nonlinear phenomena, condensed matter, superconductivity, superfluidity, lasers, and surfaces.
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