Hexagonal light pipe in N-BK7 glass - suitable for homogenzing non-uniform light sources
50mm in length with a 4mm hexagonal aperture
| Substrate | N-BK7 | Coating | Uncoated |
| Surface Quality | 60-40 | Length Tolerance (mm) | +/- 0.3 |
| Parallelism (arcmin) | 5 | Aperture Tolerance (mm) | +/- 0.10 |
| Wavelength Range (nm) | 350-2200 |
A homogenizing light pipe is an optical device designed to distribute and mix light evenly along its length. It is commonly used in applications where uniform illumination is desired, such as in backlighting displays, automotive lighting, or photography equipment.
The purpose of a homogenizing light pipe is to solve the problem of uneven illumination that can occur with traditional light sources. By employing a combination of reflection and refraction principles, the light pipe takes in light from a source and redistributes it uniformly, eliminating hot spots or dark areas.
When light enters a homogenizing light pipe, it undergoes multiple reflections and refractions as it travels along the pipe's length. These internal reflections and refractions help to mix and blend the light, ensuring that it spreads out evenly across the pipe's exit surface.
Homogenizing light pipes can be designed in various shapes and sizes to suit different applications. They are often used in combination with LEDs as efficient light sources, as they can enhance the uniformity and quality of the emitted light.
