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Gas-discharge lamps are a family of artificial light sources that generate light by sending an electric discharge through an ionized gas, a plasma. Typically, such lamps use a noble gas ( argon , neon , krypton , and xenon ) or a mixture of these gases.
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.
HID lamps produce different colors of light primarily through the use of various metal additives in the lamp's arc tube and the physics of the gas discharge process. [11] Metal Additives: HID lamps contain an arc tube filled with a mixture of gases, including a noble gas (like xenon). These metal additives are crucial for producing different ...
Category: Gas discharge lamps. 16 languages. ... Xenon arc lamp; Y. Yablochkov candle This page was last edited on 24 January 2015, at 21:59 (UTC ...
Xenon short-arc lamp Space Shuttle Atlantis bathed in xenon lights Xenon gas discharge tube. Xenon is used in light-emitting devices called xenon flash lamps, used in photographic flashes and stroboscopic lamps; [21] to excite the active medium in lasers which then generate coherent light; [141] and, occasionally, in bactericidal lamps. [142]
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]
The 15 kW xenon short-arc lamp used in the IMAX projection system. A mercury arc lamp from a fluorescence microscope. A krypton long arc lamp (top) is shown above a xenon flashtube. The two lamps, used for laser pumping, are very different in the shape of the electrodes, in particular, the cathode (on the left).
Electric discharge in gases occurs when electric current flows through a gaseous medium due to ionization of the gas. Depending on several factors, the discharge may radiate visible light. The properties of electric discharges in gases are studied in connection with design of lighting sources and in the design of high voltage electrical equipment.
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