Proton deflectometry analysis in magnetized plasmas: Magnetic field reconstruction in one dimension

Area of Science:

• Plasma Physics
• Electromagnetism
• High-Energy-Density Physics

Background:

• Proton deflectometry is crucial for diagnosing electromagnetic fields in magnetized high-energy-density plasmas.
• Accurate reconstruction of these fields is essential for understanding plasma behavior.

Purpose of the Study:

• To develop and validate a novel reconstruction algorithm for electromagnetic fields using proton fluence data.
• To investigate and mitigate the impact of source fluence uncertainty on reconstruction accuracy.
• To demonstrate an experimental hybrid mesh-fluence technique for improved field measurements.

Main Methods:

• Developed a 1-D reconstruction algorithm for electromagnetic fields from proton fluence data.
• Verified the algorithm against analytic solutions and applied it to experimental data.
• Investigated source fluence uncertainty and introduced boundary condition constraints.
• Experimentally demonstrated a hybrid mesh-fluence reconstruction technique.

Main Results:

• The developed algorithm accurately reconstructs electromagnetic fields from proton fluence data.
• Constraining source fluence with boundary conditions significantly improves reconstruction reliability.
• The hybrid mesh-fluence technique successfully integrates direct measurements with fluence data.

Conclusions:

• The novel reconstruction algorithm offers a robust method for analyzing electromagnetic fields in plasmas.
• Addressing source fluence uncertainty is critical for accurate proton deflectometry.
• The hybrid mesh-fluence technique represents a significant advancement in experimental plasma diagnostics.