1749

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1749 Application Field and Working Principle

The use of lamps spans a wide range of applications, from illumination and signaling to display and decorative applications. Amongst the most widely used lamps are incandescents and neons, and we will take a look at the application field and working principle of these two light sources.

Incandescent Lamps

Incandescents lamps are the most ubiquitous light sources on the market and are commonly used for illumination applications and their useful in decorative lighting. Incandescent lamps also feature a wide range of sizes and power ratings, enabling users to find the ideal lamp for various applications and budgets.

An incandescent lamp is a source of light which consists of a glass bulb that contains a tungsten filament. The filament is heated to a high temperature by passing an electric current through it. This causes the filament to heat to temperatures high enough to make it glow and emit visible light. The life of the filament is determined by the temperature to which it is heated, as well as the duration of the illumination.

Neon Lamps

Neon lamps are popularly used in sign illumination and display applications, especially where a bright eye catching bright light is required. The attractiveness of neon lamps also makes them a great choice for decorative lighting. Neon lamps are also highly energy efficient compared to incandescents and other types of lamps, enabling cost savings over traditional illumination sources.

Neon lamps are gas discharge light sources which consist of an evacuated tube made from quartz or glass. Inside the tube are two electrodes, connected to an electrical source. When the electrical source is switched on, an electrical discharge passes between the two electrodes. This discharge causes the gas in the tube to be excited and to emit light. The type of gas used in the tube, as well as its colour, determines the wavelength of light emitted from the lamp.

Both incandescent and neon lamps have their own applications and advantages over other types of lamps. Incandescent lamps are widely used for general illumination and decorative lighting, whereas neon lamps are ideal for sign illumination and display applications. These lamps are also highly energy efficient, enabling users to save on costs over the long term.

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