Fibre optic cable being wound onto a spool
Numéro d’image : 11893727
| MODEL RELEASED. Fibre optics. Optical fibres being wound onto a spool,monitored by a technician. Optical fibres are made of a flexible glass and have a high refractive index. They are coated with an outer protective layer that has a low refrac- tive index. When light is passed through the fibre in pulses,the beam that emerges from the end of the fibre is completely internally reflected. The light may thus travel along the entire cable with little or no absorption. The pulses of light may carry computer data or telephone conversations,for example. Photograph of optical fibres which will be used in a Trident nuclear missile launching system on a submarine | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Young, Ed |
| Taille de l’image : | 4084 px × 4276 px |
| Model Release : | Disponible |
| Property Release : | Non requis |
| Restrictions : | - |
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