light spectra
Wavelength distribution patterns
Light spectra are the ranges of wavelengths that make up light from a source.
When light passes through a prism or diffraction grating, it separates into its component colors or wavelengths, revealing its spectrum.
Each element and compound produces a characteristic spectrum when heated, allowing scientists to identify materials by their spectral signatures.
Astronomers use light spectra to determine the composition, temperature, and motion of distant stars.
Spatial repetition interval
- refractionWave bending between media
- diffractionWaves spreading past obstacles
- prismLight-splitting optical element
- dispersionScattering across space
absorption · emission · transmission · photometry · bandwidth · ultraviolet · infrared · spectrophotometer
Wave-propagating energy through space
Refracted light arc
- hueColor's specific character
- saturationState of complete permeation
- RGBAdditive color model
- CMYKSubtractive color model
chromaticity · color temperature · Kelvin · color rendering · monochromatic · polychromatic · color wheel
Semiconductor that glows
- fluorescentEmitting light when energized
- incandescentGlowing from heat
- laserConcentrated light device
- photographyCreating images from light
film · display technology · color calibration · remote sensing · forensics · art restoration · gemology · medical imaging
Wavelength stretch from recession
- blueshiftLight compressed by approach
- Doppler effectWave compression from motion
- nebulaInterstellar gas formation
- quasarLuminous active galactic core
Hubble · cosmic radiation · starlight · corona · chromosphere
wavelength
Spatial repetition interval
- refractionWave bending between media
- diffractionWaves spreading past obstacles
- prismLight-splitting optical element
dispersion · absorption · emission · transmission · photometry · bandwidth · ultraviolet · infrared · spectrophotometer · grating
electromagnetic radiation
Wave-propagating energy through space
amplitude · Planck · energy levels · Fraunhofer lines · Balmer series
rainbow
Refracted light arc
- hueColor's specific character
- saturationState of complete permeation
- RGBAdditive color model
CMYK · chromaticity · color temperature · Kelvin · color rendering · monochromatic · polychromatic · color wheel
LED
Semiconductor that glows
- fluorescentEmitting light when energized
- incandescentGlowing from heat
- laserConcentrated light device
photography · film · display technology · color calibration · remote sensing · forensics · art restoration · gemology · medical imaging
redshift
Wavelength stretch from recession
- blueshiftLight compressed by approach
- Doppler effectWave compression from motion
- nebulaInterstellar gas formation
quasar · Hubble · cosmic radiation · starlight · corona · chromosphere
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