Fluorescent Lamp
Olivia Luz
This type of fluorescent tube lighting is the most popular because of its high cri and many color temperature options.
In t numbers like tn or t5 t8 etc. This article is about traditional fluorescent lamps. A fluorescent lamp consists of a glass tube filled with a mixture of argon and mercury vapour. Fluorescent lamps or bulbs in normal speak are classed by shape diameter length wattage and often special properties and color temperature.
Fluorescent lamps work by ionizing mercury vapor in a glass tube. The fluorescent bulb s t number in essence gives the bulb diameter and its connecting pin design. An electric current in the gas excites mercury vapor which produces short wave ultraviolet light that then causes a phosphor coating on the inside of the lamp to glow. A fluorescent lamp is a low weight mercury vapour lamp that uses fluorescence to deliver visible light.
You can see how this system works in the diagram below. The ultraviolet light in turn interacts with special blends of phosphors coating the interior surface of the fluorescent lamp tube that efficiently converts the invisible light into useful white light. Hot cathode cold cathode. There are two general types traditional fluorescent and compact fluorescent.
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A fluorescent lamp is a type of electric light that uses ultraviolet emitted by mercury vapor to excite a phosphor which emits visible light. A fluorescent lamp or fluorescent tube is a low pressure mercury vapor gas discharge lamp that uses fluorescence to produce visible light. The classic fluorescent lamp design which has fallen mostly by the wayside used a special starter switch mechanism to light up the tube. We discuss two types of fluorescent lamps.
The most commonly available is the t8 bulbs. T indicates tubular lamp shape. This causes electrons in the gas to emit photons at uv frequencies. Metal electrodes at each end are coated with an.
T8 lights are a good choice for an adjustable lighting system because of their color temperature range from a soft yellow white to bright daylight. Simple explanation hot and cold cathode lamps. An electric current in the gas energizes mercury vapor which delivers ultraviolet radiation through discharge process and the ultraviolet radiation causes the phosphor coating of the lamp inner wall to radiate visible light.
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