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Graph-based model for adaptive simulation of beam propagation in turbulent media
Optics Express
|June 29, 2023
Summary
This study introduces a graph-based simulation using adaptive triangular meshes to model light beam propagation through atmospheric turbulence. This method enhances accuracy and resolution for simulating complex beam wavefronts.
Area of Science:
- Optics and Photonics
- Computational Physics
- Atmospheric Science
Background:
- Simulating light beam propagation through atmospheric turbulence is crucial for applications like free-space optics.
- Existing methods often struggle with accurately representing the complex wavefront distortions caused by turbulence.
Purpose of the Study:
- To develop a novel graph-based simulation approach for light beam propagation.
- To improve the accuracy and resolution of simulations in turbulent atmospheres.
Main Methods:
- Utilized a graph-based framework where atmospheric turbulence and beam wavefronts are treated as signals.
- Employed a triangular adaptive mesh with irregular signal point distributions and defined relationships via edges.
- Represented spatial variations in the beam wavefront using the adaptive mesh.
Main Results:
- The adaptive mesh offers superior representation of spatial wavefront variations compared to regular meshing.
- Achieved increased accuracy and resolution in simulating beam propagation.
- Demonstrated adaptability to varying beam characteristics and turbulence conditions.
Conclusions:
- The graph-based, adaptive meshing approach is a versatile tool for simulating light beam propagation.
- This method provides a more accurate and high-resolution simulation of beam wavefronts in turbulent atmospheres.
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