VirtualLab Fusion 2025.2

VirtualLab Fusion 2025.2 (Build 1.118): Advanced Physical Optics Simulation Software

VirtualLab Fusion 2025.2 is the latest release of LightTrans' industry-leading software for physical optics simulation and design, released in September 2025. This version introduces new unpolarized source models for realistic LED modeling, enhanced polarization control components, and over 30 bug fixes across the platform .

Key New Features in 2025.2

New Unpolarized Source Models for LED-like Emission

Two new source types specifically designed for realistic LED emission characteristics :