Optical fibre does not emit radiation in the way that you might think of radiation, such as X-rays or gamma rays.
Here's why:
- Optical fibre transmits light: Optical fibre transmits light signals, which are a form of electromagnetic radiation but are not harmful to humans.
- Light in optical fibre is contained: The light travels within the fibre's core, which is a thin glass or plastic strand. This keeps the light contained and prevents it from escaping into the surrounding environment.
- Non-ionizing radiation: The light used in optical fibre is classified as non-ionizing radiation, meaning it does not have enough energy to ionize atoms and cause damage to living tissue.
However, there are some potential concerns:
- Heat generation: Optical fibre can generate a small amount of heat due to the energy carried by the light signals. However, this heat is usually insignificant and does not pose a health risk.
- Laser light: Some optical fibre systems use lasers to generate the light signals. Laser light can be harmful if it is directly exposed to the eyes, but the light is contained within the fibre and does not pose a risk in normal use.
In summary, optical fibre does not emit harmful radiation. The light used in optical fibre is non-ionizing and is safely contained within the fibre.