Single Mode And Multimode Optical Fiber

Multi mode links can be used for data rates up to 100 gbit s.

Single mode and multimode optical fiber.

Single mode fiber optic cable. These modes define the way the wave travels through space i e. In fiber optic communication a single mode optical fiber smf is an optical fiber designed to carry only a single mode of light the transverse mode modes are the possible solutions of the helmholtz equation for waves which is obtained by combining maxwell s equations and the boundary conditions. Single mode fiber cable systems are usually more expensive even though the actual cost of single mode fiber cable is cheaper than that of multimode fiber cable in the market.

Single mode fiber optic cable has a small diametral core that allows only one mode of light to propagate. When building a 1g fiber optic network that you want to be able to go to 10g or faster on eventually the savings on cost of fiber for single mode saves about half price. Because of this the number of light reflections created as the light passes through the core decreases lowering attenuation and creating the ability for the signal to travel further. What is the difference between multimode and single mode fiber optic cables.

Multi mode fiber has a fairly large core diameter that enables multiple light modes to be propagated and limits the maximum length of a transmission link because of modal dispersion. Single mode cables are designed to carry light directly down the fiber. How the wave is distributed in. Multi mode optical fiber is a type of optical fiber mostly used for communication over short distances such as within a building or on a campus.

It is a single strand of glass fiber and has a diameter of 8 5 10 microns.