[[ File:Cropped 2 surface some loss DSC 0056.JPG|thumb|center|Figure 10: Two sides of the wave guide are visible and minimal light loss is observed. Bright region due to laser angle.]] | [[ File:Cropped 2 surface some loss DSC 0056.JPG|thumb|center|Figure 10: Two sides of the wave guide are visible and minimal light loss is observed. Bright region due to laser angle.]] |