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WaveSource MM series fiber optic light sources offer the fiber optic professional a wide range of options for their testing needs. Many different combinations are available: multimode only, singlemode only, or both multimode and singlemode.
Our quad-wavelength version (WS-MDSD) has all four wavelengths (850, 1300, 1310, 1550) in one unit! Visual Fault Locators (VFL) can also be added to multimode only and singlemode only versions. VFLs can be used in both multimode and singlemode fibers.