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From Wikipedia, the free encyclopedia

This is a list of sources of light, including both natural and artificial sources, and both processes and devices.

Contents 1 Natural 2 Direct chemical 3 Combustion-based 4 Electric Powered 4.1 Incandescent lamps 4.2 Electroluminescent (EL) lamps 4.3 Gas discharge lamps 4.3.1 High-intensity discharge lamps 5 Nuclear 6 Other 7 See also 8 External links

[edit] Natural

• Astronomical objects
  • Sunlight (solar radiation)
  • Meteors/meteor showers (via ionization)
  • Stars
    • Star clusters
    • Galaxies
      • Quasars
  • Nebulae
  • Accretion disks
• Bioluminescence
  • Glowworms (Arachnocampa and Phengodidae) and fireflies (Lampyridae)
  • Aequorea victoria (a type of jellyfish)
  • Antarctic krill
  • Lux operon (a common marine bacterium)
  • Foxfire
• Lightning
• Aurorae
• Airglow
• Triboluminescence
• Magma
• Plasma (physics)

[edit] Direct chemical

• Chemoluminescence (Lightsticks)
• Fluorescence
• Phosphorescence

[edit] Combustion-based

• Argand lamp
• Argon flash
• Acetylene/Carbide lamps
• Betty lamp
• Butter lamp
• Candles
• Fire
• Flash powder
• Gas lighting
• Gas mantle
• Kerosene lamps
• Lanterns
• Limelights
• Oil lamps
• Rushlights
• Safety lamps
  • Davy lamps
  • Geordie lamps
• Torches

[edit] Electric Powered

[edit] Incandescent lamps

• Carbon button lamp
• Conventional incandescent light bulbs
  • Flashlight
• Halogen lamps
• Globar
• Nernst lamp

[edit] Electroluminescent (EL) lamps

• Light-emitting diodes
  • Organic light-emitting diodes
  • Polymer light-emitting diodes
  • Solid-state lighting
  • LED lamp
• Electroluminescent sheets
• Electroluminescent wires

[edit] Gas discharge lamps

• Fluorescent lamps
  • Compact fluorescent lamps
  • Black light
• Inductive lighting
• Hollow cathode lamp
• Neon and argon lamps
• Plasma lamps
• Xenon flash lamps

[edit] High-intensity discharge lamps

• Ceramic discharge metal halide lamps
• Hydrargyrum medium-arc iodide lamps
• Mercury-vapor lamps
• Metal halide lamps
• Sodium vapor lamps
• Xenon arc lamps
• Sulfur lamps

[edit] Nuclear

• Radioluminescent paint (formerly used on watch and clock dials)
• Self-powered lighting

[edit] Other

[edit] See also

• Photometry (optics)
• Spectrometer

[edit] External links

• A CD spectrometerColor spectrographs of common light sources
• The Double Amici Prism Hand-Held Spectroscope in Practice - Dozens of raw visible spectra of a wide variety of light sources.
• Museum of Electric Lamp Technology
• Candle Power Forums - an Internet forum dedicated to the discussion of light sources
• LED professional - A Technology Portal and Magazine about LEDs and its Lighting environment