Optical fibre cross-section. Optical fibres are made from flexible glass that has a high refractive index. Each fibre consists of a glass core (red) with an outer protective glass layer (cladding,green) that has a lower refractive index than the core. The outer layers (blue and thin green layer) are protective resin and plastic jackets to protect the glass fibre within. The core is about 8 micrometres across. Light travelling through the fibre is contained within the core because of total internal reflection at the core/cladding boundary. This allows data to be transmitted over long distances with little information loss | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Landmann, Patrick |
Bildgröße: | 5197 px × 3416 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |