Visual Inspection

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Cladding

The following end-on pictures were taken of a scintillating fiber and a light guide segment under a microscope, after the ends have been polished using office paper. From these pictures, it is difficult to discern any difference between multi-clad fiber and single-clad. The scintillating fiber (light blue-green tint) is multi-clad according to the manufacturer Saint-Gobain, whereas the light guide in these photographs is single-cladding fiber.

    
    
    
    
   

Effects of Painting

Bent and Unpainted

    
    

Bent, Painted, then Cleaned

Painted and Cleaned Fuse