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.
When optical designers attempt to compare the performance of optical systems, a commonly used measure is the modulation transfer function (MTF). MTF is used for components as simple as a spherical singlet lens to those as complex as a multi-element telecentric imaging lens assembly.