Macondo
Research, design, and product optimization of silicon optical devices, integrated photonic devices, optoelectronic devices, and micro-nano optical devices.
Features > Material Library

Material Library

GMPT, October 2024

The material library in Macondo primarily describes the refractive index properties of materials. The refractive index of a material determines the propagation speed and distribution of electromagnetic waves within the material, significantly affecting the performance of optical devices. In addition, Macondo supports user-defined material libraries, dispersion relations, refractive index models, and refractive index perturbation relationships.

Material Library and Material Refractive Index Models

Macondo comes with over 30 commonly used materials, each of which can be described by multiple models to represent its refractive index properties. These models include:

  • Dielectric
  • Refractive Index - Extinction Coefficient (n, k) Model
  • *Debye Model
  • *Drude [Plasma] Model
  • *Lorentz Model
  • Refractive Index Dispersion Data
  • *PEC Model
  • *Kerr Nonlinear Model
  • *Sellmeier Model

Material Library, Instantiation Library, and Refractive Index Model Settings Window：

Refractive Index Fitting Methods and Visualization Tools

To accurately describe the refractive index dispersion characteristics of different materials, Macondo includes multiple fitting methods, which include：

  • AMF (Advanced Material Fitting) Method
  • *Drude Material Model Fitting Method
  • *Debye Material Model Fitting Method
  • *Lorentz Material Model Fitting Method

The AMF (Advanced Material Fitting) method integrates the features of the Debye, Lorentz, and Drude models, allowing for accurate fitting results over a wider wavelength range. Additionally, with the software’s fitting and plotting visualization features, users can generate dispersion relation curves for materials, making it easier to analyze the properties of dispersive materials.

Material Refractive Index Fitting Window：