Modeling random screens for predefined electromagnetic Gaussian-Schell model sources.

Area of Science:

• Optics
• Electromagnetism
• Computational Physics

Background:

• Previous work introduced phase and complex screen methods for generating electromagnetic Gaussian Schell-model sources.
• A numerical optimization approach was used to determine screen parameters based on realizability conditions.

Purpose of the Study:

• To describe a practical modeling approach for phase and complex screen methodologies.
• To establish exact relationships between screen simulation parameters and source parameters.
• To support numerical wave optics simulations and laboratory experiments.

Main Methods:

• A common numerical recipe for generating correlated Gaussian random sequences was employed.
• Both phase screen and complex screen methodologies were modeled.
• Wave-optics simulations were used to demonstrate the methodologies for an example source.

Main Results:

• Exact relationships between screen simulation parameters and source parameters were established.
• The phase screen method demonstrated greater flexibility in modeling diverse beam parameter combinations compared to the complex screen method.
• The study provides a practical framework for simulating electromagnetic Gaussian Schell-model sources.

Conclusions:

• The developed practical modeling approach facilitates accurate simulation of electromagnetic Gaussian Schell-model sources.
• The phase screen method offers enhanced flexibility for modeling a wider range of source parameters.
• This research supports advancements in optical simulations and experimental setups involving these sources.