Optical fiber is a quartz, glass, or polymer fiber designed to transmit light over distances. Threads of optically transparent material are used to transmit information via light pulses using the phenomenon of total internal reflection. Optical fiber is a thin wire (thread) made of glass or plastic that transmits light through internal reflection. Optical fiber cable is used to transmit information at high speed over long distances (literally, at the speed of light). This is how fiber-optic communication lines (FOCLs) are constructed. In this video, we'll attempt to transmit signals via fiber optics. For this, we'll use a Chinese-made fiber optic cable.
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