Surface Wave and Waveguide Characteristics with Negative Refractive Index Materials

This project implements MATLAB programming to simulate and analyze surface wave and waveguide characteristics in structures containing negative refractive index materials, particularly focusing on their behavior at interfaces. The implementation involves developing MATLAB code to model the transmission properties of surface waves and waveguides incorporating negative refractive materials. Key technical aspects include: - Utilizing MATLAB's electromagnetic simulation capabilities to model wave propagation - Implementing boundary condition algorithms for interface handling between different materials - Creating parameterized functions to adjust material refractive indices and geometric configurations - Developing visualization routines using MATLAB's plotting functions to display field distributions and propagation patterns The code architecture typically includes: 1. Material parameter definitions using structural arrays for negative permittivity and permeability 2. Finite-difference or finite-element method implementations for wave equation solutions 3. Interface boundary condition handlers using impedance matching algorithms 4. Performance analysis modules for studying transmission efficiency and dispersion relations By systematically varying material parameters and geometric structures through programmable MATLAB functions, researchers can investigate and optimize these characteristics for better understanding and application in fields such as optical device design and communication technologies. The MATLAB-based implementation provides a flexible platform for exploring the potential and applications of negative refractive index materials through computational electromagnetic analysis.