A General 3D Finite-Difference Time-Domain Electromagnetic Simulation Platform

QFDTD90 is a robust and multifunctional electromagnetic simulation platform employing the three-dimensional finite-difference time-domain (FDTD) method. This sophisticated simulation software implements Maxwell's equations through spatial and temporal discretization, enabling accurate modeling of diverse electromagnetic phenomena including wave propagation, scattering effects, and radiation patterns. The simulator employs Yee's algorithm for field component arrangement and utilizes perfect matched layer (PML) boundary conditions to minimize numerical reflections. Particularly effective for analyzing complex electromagnetic structures such as multi-band antennas, microwave integrated circuits, and nanophotonic devices, QFDTD90 features optimized parallel computation routines and adaptive meshing capabilities. With its intuitive graphical interface supporting parameter sweep functionality and real-time visualization, coupled with advanced features like near-to-far-field transformation and material dispersion modeling, QFDTD90 serves as an indispensable tool for researchers, engineering professionals, and academic scholars in electromagnetics. The platform includes scriptable automation interfaces and supports various material libraries for enhanced simulation accuracy. Experience its capabilities today to advance your electromagnetic simulations and research projects.