Using the correct polishing film grit sequence when terminating fiber optic connectors is crucial for achieving the desired end-face geometry and surface finish, which directly impacts the connector's optical performance. Polishing film grit refers to the size of the abrasive particles on the polishing film, with lower numbers indicating coarser films and higher numbers indicating finer films. The polishing process is typically performed in multiple stages, starting with a coarser grit film to remove excess epoxy and initial imperfections, and th....
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