ABSTRACT
This study presents a comprehensive numerical framework for simulating X-ray generation mechanisms in ultrafast laser systems, with a focus on applications beyond traditional laser machining.
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Key findings
Ultrafast laser systems can generate X-ray radiation through laser-plasma interactions.
Implemented and validated FDTD and FVM approaches for solving Maxwell's equations coupled with plasma fluid equations.
Convergence studies show second-order spatial convergence rates for the FDTD method.
Parameter scans reveal scaling of X-ray yield with laser intensity, pulse duration, and plasma density.
Limitations & open questions
The study focuses on theoretical and numerical simulations, further experimental validation may be required.