VirtualLab Fusion 2025.2 : 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 significant simulation improvements .

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 :

Both models intelligently generate orthogonal radial and azimuthal polarization states for accurate unpolarized light output .

New Functional Components

Linear Polarizer

• Breaks through traditional Jones matrix limitations

• Maintains accurate performance under non-paraxial illumination (e.g., LED sources)

• Ensures physically accurate results from near-axis to high-NA applications

• No need to define media or structural properties

Stop Component

• New recommended component for defining stops in optical systems

• Provides faster simulation speed for any obstacle size

• Accurately simulates diffraction effects from tiny features—capability difficult to achieve with previous methods

• Enables analysis of microscopic defects on system-level imaging performance

Polarization Control Component (Azimuthal)

• Allows phase delay between polarization components to vary as a function of position across the field

• Enables custom polarization shaping beyond standard waveplates

• New possibilities for complex beam shaping applications relying on modulated polarization

Transverse Beam Splitter

• Defines macroscopic spatial patterns of reflection and transmission on beam splitting surfaces

• Load any 2D region as a specific optical area (e.g., central mirror or hole)

• Assign different reflectance/transmittance values for points inside vs. outside loaded region

• Models beam splitters with complex features including central obscuration, reflective patches, or off-axis apertures

Improved Simulation Capabilities

Off-Axis Parabolic Mirror Enhancements

• Now supports definition of negative focal lengths

• Enables direct configuration of both concave and convex off-axis parabolic mirrors

• Provides more flexible modeling experience

Extended Surface Channels

• Diffractive Lens Element: Now supports all four surface channel types (++, +-, -+, –)

• Enables fully non-sequential use for more complex system modeling

• Extended to holographic optical elements, functional metalenses, and functional modulated metasurface elements

Batch Mode Enhancements

• New command option --customSubfolder for specifying custom directories for simulation results

• Clear separation of log files: preparation steps vs. errors/warnings during processing

• Simplifies debugging and analysis of automated workflows

Product: VirutalLab FUSION 2025
Version:2025.2
Supported Architectures: x64
Language: english
Supported Operating Systems:Windows 10even or newer
Size: 1DVD