The EM4 low cost RoHS compliant multimode pump is designed for pumping fiber lasers. It provides 6W of light fiber coupled into a 105µm core multimode fiber with numerical aperture of 0.15 or 0.22. The pump laser chip is built into a 2 pin package. The design and build of the module fulfills the requirements of Telcordia GR-468 and uses EM4 proven manufacturing processes.
