1 If such materials became generally available to the optics industry the payoffs from such a breakthrough would be enormous.
2 The use of fibre optics has served to increase the volume and speed of data transmission.
3 Einstein's new theory on optics changed classical scientific ideas about light.
4 Sloping walls on the bulk of the building create an optical illusion.
5 Others use optical detectors, which seem to respond more quickly to smoke from smouldering fires such as those involving upholstered furniture.
6 Another scientist might have proposed a modification in the optical theory governing the operation of the telescopes used in the investigation.
7 His doctor checked the optical axis of the eye very carefully.