Interactive Simulators

Explore CMOS image sensor pixel optics through browser-based simulators. All calculations run locally using the Transfer Matrix Method (TMM) — no server required.

Available Simulators

Optical Stack Analysis

• TMM QE Calculator — Configure a BSI pixel layer stack and compute quantum efficiency spectra in real time
• BARL Optimizer — Tune anti-reflection coating layer thicknesses to minimize reflectance
• Energy Budget Analyzer — Visualize where photon energy goes at each wavelength

Performance Analysis

• Angular Response — Study how QE changes with angle of incidence (CRA effects)
• SNR Calculator — Compute signal-to-noise ratio, dynamic range, and photon transfer curves

Design Tools

• Color Filter Designer — Design RGB filter spectra and visualize CIE chromaticity gamut
• Pixel Design Playground — Comprehensive pixel designer combining all parameters with multi-panel results

Optics & Wave Physics

• Si Absorption Depth — Visualize Beer-Lambert absorption in silicon and understand wavelength-dependent penetration depth
• Microlens Ray Trace — Trace rays through superellipse microlens geometry with Snell's law refraction and CRA effects
• MLA Array Visualizer — Visualize micro lens array geometry with configurable array patterns, asymmetric radii, height maps, and 2D ray tracing
• Fabry-Pérot Visualizer — Explore thin film interference with phasor diagrams and quarter-wave anti-reflection conditions
• Diffraction PSF Viewer — View Airy patterns, encircled energy, and pixel grid overlay for collection efficiency analysis

System Analysis

• MTF Analyzer — Compute pixel aperture, diffraction, and combined system MTF with Nyquist frequency analysis
• Pixel Scaling Trends — Explore how FWC, SNR, and diffraction limits scale with pixel pitch
• Color Accuracy Analyzer — Evaluate color reproduction with CCM computation and Delta E analysis on ColorChecker patches
• Dark Current & Temperature — Simulate Arrhenius dark current model and visualize thermal noise impact on image quality

TIP

These simulators use a 1D TMM approximation. For full 3D simulations with RCWA or FDTD, see the Guide.