Photizon — Free Photonics Simulation Tools

Photizon — Free Photonics Simulation ToolsFree browser-based photonics simulation tools for optical engineers, researchers, and students. No signup or download required.Tools

Thin-Film Coating Simulator — multilayer reflectance, transmittance, absorbance via transfer matrix method

Fresnel Equation Calculator — reflectance vs. angle, Brewster's angle, total internal reflection

Gaussian Beam Propagator — ABCD matrix, beam waist, M² support

RCWA Grating Simulator — rigorous coupled-wave analysis for binary, blazed, sinusoidal gratings

PIC Mode Solver — effective index method for SOI, SiN, slot waveguides

Fabry-Perot Calculator — etalon transmission, FSR, finesse, Q-factor, resonator stability

Polarization Calculator — Jones matrices, Stokes parameters, Poincaré sphere

Photonics Unit Converter — nm, eV, THz, cm⁻¹ and 12+ units

Optical Materials Database — 3,560+ materials with n(λ) and k(λ) dispersion curves

AcademyInteractive tutorials on thin-film interference, Fresnel equations, anti-reflection coatings, Gaussian beams, Jones matrices, Fabry-Perot interferometers, high-reflector mirrors, refractive index, and Q-factor.Visit photizon.com to get started.