Systems and methods are described for coordinating clocks in a distributed computing environment. Items can be dispatched in a priority order to accelerate completion of processing. A color sensor adjustment matrix is determined based on a comparison of the first pixel values and baseline pixel values associated with the calibration image. As a result, no resin bur will be left on the land electrode of the land lead. Thus the pumping laser coupling method can be used for the construction of high-efficiency fiber lasers.