Fusion splicing is most widely used as it provides for the lowest loss and least reflectance, as well as providing the most reliable joint. Virtually all singlemode splices are fusion. This guide breaks down the fundamentals of optical fiber splicing, compares. Fiber optic cables are widely used for data transmission and communication, but they can be damaged or cut by various factors, such as environmental hazards, accidents, or vandalism. To restore the functionality and quality of the fiber optic network, you need to splice the broken or severed cables. The Fiber Optic Splicing Playbook v3. 5 provides field technicians and managers with standardized procedures for FTTH builds, PPE readiness, splice enclosure selection, waste management, and inspection protocols. Developed by Eugen Cravcenco, it's a practical reference for QA/QC and leadership in. Splices are critical points in the optical fibre network, as they strongly affect not only the quality of the links, but also their lifetime. Either joining method must have three primary characteristics. If instead you get them to 0. 2dB for the splices - equivalent to just another km of cable. A high loss on a fusion splice.