Single-mode fiber (SMF) is having a core of 8 to 10 microns in diameter. Signal is traveling in a single light beam with close to none reflection. Low reflection ratio means lower dispersion. This type of cable can achieve close to max values in distance and bandwidth without repeaters. This type of fiber is commonly used for connecting WAN locations. ...
The core of the fiber-optic cable is made of one or multiple glass or plastic fibers. Central fibers are used as media for transmitting data, which is being sent in light beams from a laser or a LED. The core is surrounded by layer of plastic or glass with different density, which is called cladding. Its purpose is to reflect ...