Controlling the generation of high frequency electromagnetic pulses with relativistic flying mirrors using an inhomogeneous plasma
Mathieu Lobet, Masaki Kando, James K. Koga, Timur Zh. Esirkepov,, Tatsufumi Nakamura, Alexander S. Pirozhkov, and Sergei V. Bulanov
TL;DR
This paper proposes a method to control high-frequency electromagnetic pulse generation using relativistic flying mirrors in inhomogeneous plasma, demonstrated through simulations that show adjustable properties of the reflected light.
Contribution
It introduces a novel approach to manipulate electromagnetic waves via plasma density gradients affecting relativistic mirror behavior.
Findings
Wave breaking threshold depends on plasma density gradient
Simulation shows compression, chirping, and frequency multiplication of reflected waves
Adjusting plasma density profile controls reflected light properties
Abstract
A method for the controlled generation of intense high frequency electromagnetic fields by a breaking Langmuir wave (relativistic flying mirrors) in a gradually inhomogeneous plasma is proposed. The wave breaking threshold depends on the local plasma density gradient. Compression, chirping and frequency multiplication of an electromagnetic wave reflected from relativistic mirrors is demonstrated using Particle-In-Cell simulations. Adjusting the shape of the density profile enables control of the reflected light properties.
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