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Lamps that produce light as a result of electrical current through a metal wire, contained in a small transparent bulb that heats the metal to incandescence. The bulb also contains halogen that reacts with the vaporized metal, so that bulb blackening by vaporized metal is minimized.
Halogen Lamps
During the operation of an incandescent lamp, tungsten evaporates from the filament and settles on the coldest place inside the lamp (the bulb wall), causing lamp blackening, which leads to a considerable depreciation of the light output during lamp life. In order to keep lamp blackening, and the corresponding light loss, within acceptable limits, bulbs of regular incandescent lamps are relatively large. But in order to be able to operate small-bulb high-light-output incandescent lamps, special measures have to be taken to prevent bulb blackening, which in these small bulbs would quickly lead to unacceptable light losses. The solution to...
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References
Coaton, J.R., Marsden, A.M.: Lamps and Lighting, 4th edn. Arnold, London (1997)
DiLaura, D.L., Houser, K., Mistrick, R., Steffy, G.: IES Handbook, 10th edn. Illuminating Engineering Society of North America, IESNA, New York (2011)
Van Bommel, W.J.M., Rouhana, A.: Lighting Hardware: Lamps, Gear, Luminaires, Controls. Course Book. Philips Lighting, Eindhoven (2012)
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van Bommel, W. (2020). Halogen Lamp. In: Shamey, R. (eds) Encyclopedia of Color Science and Technology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27851-8_126-9
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DOI: https://doi.org/10.1007/978-3-642-27851-8_126-9
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Publisher Name: Springer, Berlin, Heidelberg
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Online ISBN: 978-3-642-27851-8
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Chapter history
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Latest
Halogen Lamp- Published:
- 20 October 2019
DOI: https://doi.org/10.1007/978-3-642-27851-8_126-9
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Original
Halogen Lamp- Published:
- 06 October 2014
DOI: https://doi.org/10.1007/978-3-642-27851-8_126-8