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Radioluminescence

Radioluminescence is the phenomenon by which luminescence is produced in a material by the bombardment of ionizing radiation such as beta particles. An example of a common radioluminescent material is the tritium-excited luminous paints used on watch dials and gun sights, another is the now-disused mixture of radium and copper-doped zinc sulfide paint used historically to paint clock dials.

Lighting and Lamps v • d • e
Incandescent:	Conventional - Halogen - Parabolic aluminized reflector (PAR)
Fluorescent:	Compact fluorescent (CFL) - Linear fluorescent - Induction lamp
Gas discharge:	High-intensity discharge (HID) - HMI - Mercury-vapor - Metal-halide - Neon - Sodium vapor - Xenon arc
Electric arc:	Carbon arc lamp - Yablochkov candle
Combustion:	Acetylene/Carbide - Argand lamp - Candle - Gas lighting - Kerosene lamp - Limelight - Oil lamp - Safety lamp - Petromax - Rushlight
Other types:	Sulfur lamp - Light-emitting diode (LED) - LED lamp (SSL) - Plasma - Electroluminescent wire - Chemiluminescence - Deuterium arc lamp - Radioluminescence