Halogen lamp is an incandescent lamp of an adva nced design and is also referred to as a Tungsten or Quartz halogen lamp. The filament of the bulb is made up of ductile tungsten while the bulb itself is made up of quartz, aluminosilicate or silica. The gas enclosed inside the bulb is at a high pressure than a normal bulb.
WORKING OF THE HALOGEN LAMP
The halogen lamp contains halogen gas in its bulb. This gas prevents the blackening of the bulb unlike the conventional ones and also lowers the thinning rate of the tungsten filament. The filament as a result can be heated to a much higher temperature while at the same time the life of the bulb is also enhanced considerably. There are many elements called halogen but not every one of them are used in the construction of such lamps. Iodine and Bromine are used in the halogen lamps.
The chemistry involved in a halogen lamp includes the chemical combination of the evaporated tungsten atoms with the halogen gas which is then again deposited on the tungsten filament. This prevents the wearing away of the filament as is the case with normal bulbs.
Double ended halogen lamps have more power than the single ended varieties. They are used in the movie sets, yard lights etc. The filaments may be straight or double coiled. Halogen lamps also find their use in home lighting. They are preferred by people to illuminate their dining room, living room etc. These lamps do not consume a large amount of energy.
VARIOUS COMMERCIAL TYPES of Halogen Lamp
Halogen lamps with parabolic reflectors, halogen lamps with aluminum reflector, double ended halogen lamps with tube base, halogen lamps in classic shapes, halogen reflector lamps, halogen lamps with G9 base and halogen dichroic reflector lamps.
Halogen lamps for car headlights are also available. Some examples are: Night Breaker Unlimited halogen headlight lamp for car, Cool Blue Intense halogen headlight lamp for car, Silverstar halogen headlight lamp and Ultra life halogen headlight lamp.
Many prestigious and established companies of the lighting industry manufacture high end and modern halogen lamps for various purposes. The online stores sell halogen lamps of various wattages and companies in different price ranges. Since these lamps are economical in terms of power usage besides having a longer operating period they have found favour with the customers. They are also increasing being used for home lightning.
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