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15 kW xenon short-arc lamp used in IMAX projectors High-speed, slow-motion video of a xenon flashtube recorded at a speed of 44,025 frames per second.. A xenon arc lamp is a highly specialized type of gas discharge lamp, an electric light that produces light by passing electricity through ionized xenon gas at high pressure.
High-intensity discharge lamps are a type of arc lamp. Brand new high-intensity discharge lamps make more visible light per unit of electric power consumed than fluorescent and incandescent lamps, since a greater proportion of their radiation is visible light in contrast to infrared. However, the lumen output of HID lighting can deteriorate by ...
The carbon arc lamp is now obsolete for most of these purposes, but it is still used as a source of high intensity ultraviolet light. The term is now used for gas discharge lamps , which produce light by an arc between metal electrodes through a gas in a glass bulb.
Gray off-white to green. At high peak currents, bright blue-white. Used by artists for special-purpose lighting. Xenon: Gray or blue-gray dim white. At high peak currents, very bright green-blue. Used in flashlamp, xenon HID headlamps, and xenon arc lamps. Nitrogen: Similar to argon but duller, more pink; at high peak currents bright blue-white.
Like other gas-discharge lamps such as the very-similar mercury-vapor lamps, metal-halide lamps produce light by ionizing a mixture of gases in an electric arc.In a metal-halide lamp, the compact arc tube contains a mixture of argon or xenon, mercury, and a variety of metal halides, such as sodium iodide and scandium iodide. [7]
This is a high-speed video of a xenon flashtube captured at over 44,000 frames per second. The single flash pulse in slow motion reveals a charged gas oscillation. The electrodes of the lamp are usually connected to a capacitor , which is charged to a relatively high voltage (generally between 250 and 5000 volts), using a step up transformer ...