a communication network that uses optical fibres
a [glass strand] used for transmitting light pulses
Japan is lagging far behind in optical fiber research.
Fibre-optic cables can carry huge amounts of information.
Fiber-optic cables are made up of tiny glass fibers which are as thin as human hairs.
a cable made of optical fibers that can transmit large amounts of information at the speed of light
Fiberoptics are used in various fields.
Being made of carbon fiber, our alphorns are extremely light.