Nanophotonics Simulation Toolkit
Interactive tools running entirely in your browser — no installation required.
Scattering & nanoparticles
Mie Scattering Calculator
Compute scattering, extinction, and absorption cross-sections for spherical nanoparticles. Supports real materials (Au, Ag, Si, Al, TiO₂) and custom dielectrics.
Launch simulator →Plasmonic Nanoparticles
Analytical spectra for rods, cages, disks, rings, bipyramids, and related plasmonic shapes using geometry-only modal parameters and tabulated n,k data.
Launch simulator →Cylinder Dispersion
Guided-mode dispersion ω(q_z) of an infinite dielectric cylinder from exact electromagnetic matching. Multiple angular orders, light and material lines, in-browser complex Bessel.
Launch simulator →BEM Solver
Galerkin boundary element method for plasmonic nanoparticles. Spheres and nanorods with 3D visualization, cross-section spectra, and near-field enhancement. Runs in-browser via Pyodide.
Launch simulator →Photothermal Calculator
Laser-driven nanoparticle heating: cross-sections, albedo, and steady-state temperature rise from exact Mie theory. For plasmonic and biomedical applications.
Launch simulator →Optical Tweezers
Optical trapping of a sphere: exact Mie radiation pressure and asymmetry parameter, plus Rayleigh-regime trap stiffness and depth for a focused Gaussian beam.
Launch simulator →Purcell Factor
Quantum emitter near a nanosphere: Purcell enhancement, quenching, modified quantum yield and lifetime — exact multipole theory with NV, QD and dye presets.
Launch simulator →Heterostructures
Layered planar-media modules for surface plasmons and thin films. Starts with single-interface Drude dispersion in normalized Economou variables.
Launch simulator →Wave optics & periodic structures
Beam Propagation Method
Simulate light propagation in step-index waveguides using the Crank–Nicolson paraxial wave equation solver. Interactive 2D intensity heatmap.
Launch simulator →RCWA — 1D Grating
Rigorous Coupled Wave Analysis (Fourier modal method) for 1D periodic gratings. Computes R/T spectra for arbitrary materials. Runs in-browser via Pyodide + inkstone.
Launch simulator →Lab calculators
Photon Calculator
Convert between wavelength, energy, frequency, angular frequency, wavenumber, and period for photons. Live spectrum chart with common laser lines.
Launch simulator →Relativistic Electron Calculator
Convert between velocity, energy, de Broglie wavelength, and Lorentz factor for relativistic electrons. Live chart with SEM/TEM references.
Launch simulator →Laser Pulse Calculator
Pulse duration ↔ bandwidth, peak power from average power, and GDD pulse broadening through dispersive media. For ultrafast laser labs.
Launch simulator →Ultrafast Pulse Toolbox
Where the GDD comes from: material GVD/TOD from cited Sellmeier data (fused silica, BK7, sapphire…), zero-dispersion wavelengths, broadening through glass, and autocorrelation deconvolution.
Launch simulator →Materials — Optical Constants
Inspect, compare and export the optical constants every other tool draws on: built-in tables, refractiveindex.info search, file import, Drude and graphene models. Four material slots side by side.
Launch simulator →Scientific Unit Converter
Convert between SI, CGS/ESU, and atomic units for 11 physical quantities used in nanophotonics, quantum mechanics, and electromagnetism.
Launch simulator →