DK Photonics Technology Limited is one of the leading companies in designing and manufacturing of high quality optical passive components mainly for telecommunication, fiber sensor and fiber laser applications.Headquartered and factory are located in Shenzhen of China. Cost effective, best quality and best service are always our goal. DK Photonics produces a large array of fiber-optic components such as High Power Isolator,1064nm Components,PM Components,Pump Combiner,Pump Laser Protector,which using for fiber laser applications.Also have Mini-size 4/8 CH CWDM,100GHz/200GHz DWDM, Optical Circulator, PM Circulator, PM Isolator, Fused Coupler,Mini Size Fused WDM. High power Isolator and PM Components are our major focuses. Our High power Isolator can deliver up to 50~100W continuous and stable power and 100kW peak power for fiber laser applications. Our PM Components offer excellent optical performance, i.e., high extinction ratio, low insertion loss and high reliability which become the key enabler of laser gyroscope, high-speed optical test equipments and other PM optical systems. DK Photonics have a group who has more than eight years working experience experts in the field of optical components and optical fiber laser; they formed a professional high-end R&D team. Our products are widely used in modern fiber lasers, amplifier, telecommunications, scientific research and other high-tech field of optical communication.