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Various contamination conditions of connectors

These images describe various contamination conditions.



Figure 14: A Clean Connector

Figure 14 shows a clean single mode ceramic endface at 200x magnification.

Note: Sometimes the core is not illuminated.

Figure 15: Clean Multifiber Connector with Acceptable Shadowing

Figure 15 shows a clean multimode MT connector. Notice that there is a small amount of acceptable shadowing along the edge of the cladding.

Note: There is more than one fiber visible at 200x magnification and sometimes the core is not illuminated.

Figure 16: Connector with Dust

Figure 16 shows a connector with dust particles spread across the surface of the endface that needs cleaning.

Figure 17: Connector with Liquid Contamination

Figure 17 shows a connector with liquid contamination that needs cleaning.

Figure 18: Connector with Liquid Contamination

Figure 18 shows a connector with liquid contamination that needs cleaning.

Figure 19: Connector with Alcohol Residue Contamination

Figure 19 shows a connector with alcohol residue that needs cleaning.

Figure 20: Connector with Liquid Contamination

Figure 20 shows a connector with small droplets of liquid contamination that needs cleaning.

Figure 21: Connector with Dry Residue

Figure 21 shows a connector with a dry residue that needs cleaning.

Figure 22: Connector with Oil Residue

Figure 22 shows a connector with an oil residue that needs cleaning.

Figure 23: Connector with Scratches

Figure 23 shows a connector with scratches. These scratches are not detrimental to the endface and does not clean off. But, deep scratches that appear to cross the fiber-optic core can cause signal loss.

Figure 24: Connector with Chipped Cladding and Excessive Epoxy

Figure 24 shows a connector with damage to the cladding. Cleaning cannot remove damaged cladding. A small amount of epoxy around the cladding is allowable, but this shows excessive epoxy around the cladding that does not clean off. This connector must be replaced.

Figure 25: Damaged Connector

Figure 25 shows a 1.25 mm ferrule that has been over chamfered. The connector must be replaced.

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