On the Orbital Angular Momentum Incident Fields in Linearized Microwave Imaging.

Area of Science:

• Physics
• Electromagnetics
• Microwave Imaging

Background:

• Orbital angular momentum (OAM) is a topic of significant interest in physics and electromagnetics.
• There is an ongoing debate regarding OAM's effectiveness in increasing channel capacity for future wireless communication systems.
• This study focuses on leveraging OAM generation for microwave imaging, moving beyond the communication capacity debate.

Purpose of the Study:

• To explore the application of Orbital Angular Momentum (OAM) generation in microwave imaging.
• To utilize insights from OAM fields to propose new imaging methods.
• To investigate OAM's potential within established linearized models for imaging.

Main Methods:

• Employing classical first-order linearized models, specifically the Born and Rytov approximations.
• Exploiting the physical characteristics of different fields carrying ℓ-order OAM.
• Developing and analyzing OAM generation techniques for microwave imaging.

Main Results:

• Demonstrated the feasibility of using OAM generation within linearized models for microwave imaging.
• Gained physical insights into how different OAM orders affect imaging.
• Proposed potential alternative imaging approaches and paradigms based on OAM properties.

Conclusions:

• Orbital angular momentum generation offers a viable pathway for advancing microwave imaging techniques.
• The study provides a foundation for developing novel OAM-based imaging paradigms.
• Further research into OAM's unique field properties can unlock new possibilities in microwave imaging.