Many spare OTDR light amplification device of sharing light source

The utility model provides a many spare OTDR light amplification device of sharing light source, include: pump laser assembled element, light on -off control matrix, nx1 photoswitch, optics circulator, output photoswitch, pumping that main control unit, data acquisition and processing unit, laser instrument controlling the driving unit, a N pump laser constitute are closed and are restrainted ware MUX, be equipped with a N 1x2 photoswitch in the light on -off control matrix, N >= 2, including mode select switch matrix and laser instrument control drive matrix among the laser instrument controlling the driving unit, be equipped with a N drive unit in the laser instrument control drive matrix, the main control unit is connected and control model select switch matrix, each drive unit in the laser instrument control drive matrix connects each corresponding pump laser among the laser instrument assembled element of pu respectively, the utility model discloses sharing pumping laser light source has realized that sm