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2. Halogen lamp - Wikipedia

   en.wikipedia.org/wiki/Halogen_lamp

   Halogen lamp (105 W) for replacement purposes with an E27 screw base A close-up of a halogen lamp capsule A halogen lamp (also called tungsten halogen , quartz-halogen , and quartz iodine lamp) is an incandescent lamp consisting of a tungsten filament sealed in a compact transparent envelope that is filled with a mixture of an inert gas and a ...

3. Multifaceted reflector - Wikipedia

   en.wikipedia.org/wiki/Multifaceted_reflector

   Left to right: MR16 with GU10 base, MR16 with GU5.3 base, MR11 with GU4 or GZ4 base Line drawing of an LED MR16 lamp, with a heatsink rather than a reflector. A multifaceted reflector (often abbreviated MR) light bulb is a reflector housing format for halogen as well as some LED and fluorescent lamps.

4. Thorn Lighting - Wikipedia

   en.wikipedia.org/wiki/Thorn_Lighting

   Thorn Lighting Ltd, a subsidiary of the Zumtobel Group, is a global supplier of both outdoor and indoor luminaires and integrated controls.. Thorn was founded when Sir Jules Thorn started The Electric Lamp Service Company Ltd, in 1928, dealing in incandescent filament lamps.

5. Hydrargyrum quartz iodide - Wikipedia

   en.wikipedia.org/wiki/Hydrargyrum_quartz_iodide

   Hydrargyrum quartz iodide (HQI) is a trademark name of Osram's brand of metal halide lamps [1] made for general floodlighting, arena floodlighting, shop and commercial and industrial lighting. Hydrargyrum is the Latin name for the element mercury. When heated, mercury vapour is created inside the lamp, and deposited when it cools.

6. Metal-halide lamp - Wikipedia

   en.wikipedia.org/wiki/Metal-halide_lamp

   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]

7. Hydrargyrum medium-arc iodide lamp - Wikipedia

   en.wikipedia.org/wiki/Hydrargyrum_medium-arc...

   Unlike regular incandescent halogen lamps where a halide gas is used to regenerate the filament and keep the evaporated tungsten from darkening the glass, the mercury vapour and the metal halides in HMI lamps are what emit the light. The high color rendering index (CRI) and color temperature are due to the specific lamp chemistry.