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. 1 defines the most widely used forms of multi-mode optical fiber. 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. The output can be customized to be multimode fiber, a fiber-optic bundle, or a liquid light guide, making. Mightex WFC-series multi-wavelength fiber-coupled light sources are enabled by the latest LED technologies, and Mightex's proprietary beam combining and coupling optics. Read more about our solutions for testing telco and broadband networks, FTTx systems, LAN/WAN networks and more. Sources with wave ID transmit two or more wavelengths simultaneously–decreasing test. Multimode fiber is a common choice to achieve 10 Gbit/s speed over distances required by LAN enterprise and data center applications. With so. Discover EXFO's broad range of optical light sources that cater to various testing requirements: singlemode or multimode, polarized or non-polarized, broadband or narrowband, tunable, ITU-wavelength-centered and much more.