AR/VR
      Maxwell solver solutions
          connected through     non-sequential field tracing
propagation regions in light guide
            switching between
    spatial domain (x-domain) and     frequency domain (k-domain)     in regions along the lightpath
              Two K-Diagrams
          showing FOVs for two       possible light guide layouts
          FOV source modes
            spectral modes           polarization modes
                  light guide
          incoupling source FOV         outcoupling eyebox FOV           and eyebox uniformity
                  psf mtf
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Light Guide simulation, design and optimization
for augmented reality and virtual reality applications
      Light Guide Toolbox, and
      VirtualLab Fusion Advanced -           includes FMM/RCWA for rigorous grating analysis The VirtualLab Light Guide Toolbox is for modeling light guide display systems for AR/VR and HUD applications. There are two versions of the Light Guide Toolbox: Silver and Gold. Silver is for simulation, while Gold includes simulation, design and optimization. Both versions work along with and require VirtualLab Fusion Advanced, which includes the Starter Toolbox, Grating Toolbox, and Non-Sequential Extension. The Grating Toolbox in VirtualLab Fusion Advanced, includes rigorous modeling of gratings by Fourier Modal Method (FMM), which is also called Rigorous Coupled Wave Analysis (RCWA). The goal of the Light Guide Toolbox is to simulate, design and optimize light guide image quality, given the tradeoff between uniformity and system efficiency, while also considering field of view (FOV) and multiple wavelengths. The physical optics modeling in the Light Guide Toolbox shows the effects of polarization, interference, diffraction and temporal coherence. The Light Guide Toolbox connects multiple physical optics solvers, along with multiple freespace propagation methods, all on a single platform For fast and accurate physical optics modeling of electromagnetic fields, calculations are either in the spatial domain (x-domain) or frequency domain (k-domain). Fourier Transforms and inverse Fourier Transforms switch between the x-domain and k-domain for the most efficient calculation method in each region of the lightpath. This enables the VirtualLab Light Guide Toolbox to couple multiple gratings and other optical elements along the lightpath for system modeling and parametric optimization. Light guide layout
Source Modeling
Detectors for input, inside light guide, output
The ultimate goal of the Light Guide Toolbox is producing quality image spots for all FOV angles and any position in the eyebox.
Optimization merit functions
Optimization design parameters
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