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What is the single mode fiber optic?

Single-mode fiber is a type of fiber optic cable through which only one light signal can travel at a time.

Because single-mode fiber is more resistant to attenuation than multi-mode fiber, it can be used in significantly longer cable runs.

The core of a single-mode fiber is normally 9 microns wide. A micron is one millionth of a meter.

Single-mode fiber can support Gigabit Ethernet over distances as long as 10 kilomters.

The opposite of single-mode fiber is multi-mode fiber.

Single-mode fiber is sometimes abbreviated as SMF.

October 2, 2011

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