Ghost Koi are a cross between Mirror or Common Carp and Koi Carp. They are hardier than Koi and can be faster growing.
An inline POF coupler is used for fiber-to-fiber connection between equipment nodes. figure 3. The inner jacket of a plastic optical fiber (POF) cable is easily incorporated in a POF connector using laser welding; the termination is completed in two seconds in an automated assembly process.
Doped fiber amplifier (The typical representative: EDFA) Erbium-doped fiber amplifier (EDFA) is the most widely used fiber-optic amplifiers, mainly made of Erbium-doped fiber (EDF), pump light source, optical couplers, optical isolators, optical filters and other components.