Spectral Analysis — Light & Wavelength
Tools for exploring spectral distributions, emission lines, blackbody radiation, and metamerism phenomena.
Visible Spectrum
Interactive visualisation of the visible electromagnetic spectrum from 380 nm to 780 nm.
Open Visible Spectrum- 380–780 nm range
- Wavelength to colour
- Interactive display
Spectral Overview
Comprehensive overview of spectral power distributions and their role in colour perception.
Open Spectral Overview- SPD fundamentals
- Illuminant spectra
- Reflectance curves
Blackbody Radiation
Planckian blackbody radiation curves and correlated colour temperature visualisation.
Open Blackbody Radiation- Planck's law curves
- CCT visualisation
- Wien's displacement
Atomic Emission Lines
Discrete spectral emission lines from atomic transitions of common elements.
Open Emission Lines- Element spectra
- Discrete line positions
- Atomic transitions
Diffraction Grating Simulation
Simulate light diffraction through gratings, showing wavelength separation and order patterns.
Open Diffraction Grating- Grating simulation
- Order separation
- Wavelength dispersion
Metamerism Under Illuminants
Explore how spectrally different colours can appear identical under one illuminant but diverge under another.
Open Metamerism- Metameric pairs
- Illuminant switching
- Colour constancy
Featured Resources
Key areas explored in the spectral analysis collection.
Electromagnetic Spectrum
Visible spectrum and spectral overview — understanding light wavelengths.
Thermal Radiation
Blackbody radiation and atomic emission lines — sources of spectral energy.
Optical Phenomena
Diffraction gratings and metamerism — how light separates and deceives.