What are the different types of optical fibers used for communications transmission connections?

February 5, 2020

There actually many specific types of optical fibers that have been developed over the years. However, there are three main types of optical fiber used today for standard communications applications.

There are two (2) multimode fibers (MMF): used for relatively short links (< 1.6 miles) or low data rate transmission typically < 1 gigabits per second
a. 50/125 micron
b. 62.6/125 micron

The third type is called singlemode fiber (SMF): used for long distance links, usually well over 2 miles and data rates that are typically in excess of 1 gigabit per second.



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