Spridningsvinkeln

Spridningsvinkeln, or beam angle, is a crucial parameter in optics and lighting that describes the angular width of a light beam. It quantifies how widely a light source disperses its emitted light. A smaller spridningsvinkel indicates a more focused or collimated beam, suitable for applications requiring precise illumination like spotlights or lasers. Conversely, a larger spridningsvinkel signifies a broader, more diffused light spread, commonly seen in general lighting or floodlights.

The spridningsvinkel is typically measured in degrees. Different methods exist for defining and measuring it, often depending on the type of light source. For instance, in LEDs, it might refer to the angle at which the luminous intensity drops to 50% of its maximum value (half-power beam angle). For other sources, it might be defined by other intensity thresholds or by the edge of the visible beam. Understanding the spridningsvinkel is essential for selecting the appropriate lighting for a specific application, ensuring efficient and effective light distribution and avoiding unwanted light spill or insufficient coverage. It influences factors like illumination uniformity, contrast, and the overall visual experience.