A lamp is an artificial source of light. Over the last 100 years, lamps have become an integral part of our daily lives. Various types of lamps are available on the market. These lamps differ in their operating principle, materials used, and importantly – their energy efficiency.
The different types of lamps include:
- Incandescent Lamps
- Tungsten Halogen Lamps
- Fluorescent Lamps
- Compact Fluorescent Lamps
- Mercury Vapour Lamps
- Metal Halide Lamps
- High Pressure Sodium Vapour Lamps
- Low Pressure Sodium Vapour Lamps
- LED Lamps
The grouping of these various types of lamps has been illustrated in the diagram below:
A short comprehensive study of the photometric parameters (Luminous Efficacy, CRI, CCT etc.) of the different lamps and their respective application areas are tabluted in comparison form below.