Optics Calculators, Lens Simulators & Photonics Tools
Free optics and photonics tools for lenses, mirrors, Snell’s law, ray tracing, interference, diffraction, lasers, fibers, detectors, and imaging systems.
Explore Optics & Photonics
Explore geometrical and wave optics with interactive ray diagrams, calculators, and photonics workbenches. The tools connect equations to visual behavior for lenses, mirrors, refraction, interference, diffraction, and imaging.
Photonics modules extend the collection into lasers, optical fibers, detectors, and practical optical-system calculations.
Common topics
- thin lens calculator
- Snell’s law
- ray tracing
- mirror equations
- interference
- diffraction
- fiber optics
- photonics
Optics & Photonics tools
Open a calculator, simulator, visualizer, or reference workbench.
Geometrical Optics Workbench
Free optics calculators and visualizers for thin lenses, mirrors, Snell’s law, refraction, critical angle, magnification, ray diagrams, and imaging systems.
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Multi-Stage Lens Ray Simulator
Trace parallel rays through configurable spherical lens surfaces using Snell’s law and inspect focal behavior and spherical aberration.
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Photonics Workbench
Calculate photon energy, Gaussian beam propagation, fiber modes and link budgets, photodetector response, attenuation, optical cavities, and pulsed-laser quantities.
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Wave Optics Workbench
Simulate interference, diffraction, gratings, thin films, polarization, optical resolution, and coherence with unit-labeled graphs.
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