Planar optical waveguide power distribution unit

The utility model discloses a planar optical waveguide power distribution unit, including shell, input fiber array, output fiber array, planar optical waveguide chip, inner shell, silica gel layer, epoxy glue layer and isolation layer, the planar optical waveguide chip sets up input fiber array with between the output fiber array, input fiber array, output fiber array and the planar optical waveguide chip all sets up the inside of inner shell, outer shell is established the outside of inner shell, the isolation layer setting is in the shell with between the inner shell, the silica gel layer sets up the isolation layer with between the inner shell, the epoxy glue layer sets up the isolation layer with between the shell, this device is fixed through the inner shell, avoids the contact to become invalid, ensures to use the reliability, then realizes outside protection and sealed through silica gel layer, epoxy glue layer and isolation layer, reduces external factors to the influence of this device, increases the