455nm 4W multi-mode fiber coupled LD module is engineered with a B9 package, guaranteeing a space-efficient design. If offers additional functionalities such as a photodiode and a TE cooler. The fiber core of this laser module is 50um, the fiber numerical aperture is 0.12, to enhance customer flexibility, alternative fiber options included 105um, 200um and 400um multi-mode fiber. The 455nm 4W multi-mode fiber coupled LD module is distinguished by its high coupling efficiency, exceptional performance, and extended longevity. It facilitates straightforward integration into customer’s equipment. Many such laser modules have gained broad adoption across diverse sectors and has been widely acclaimed by customers for its great reliability. Wavespectrum Laser provides tailored customization for 455nm 50um multi-mode fiber coupled LD module, designed to meet each client’s special needs.