Fusion splicing is the preferred method for optical interconnection of fiber pig-tailed components used in optoelectronics products based on the requirements for low loss, stable joints. The most important attributes of a splice are mechanical strength and optical insertion loss. Get the wrong connector type, the wrong polish, or skip proper fusion splicing technique—and you're looking at elevated signal loss, increased back reflection, and a. Results from a National Electronics Manufacturing Initiative (NEMI) project, formed to improve aspects of fiber optic fusion splicing, are reported. 05 dB per splice for standard. The difference in backscatter at the pigtail splice does not prevent but somewhat complicates measurement of the connector loss at the front panel or the splice loss at the front panel. If the pigtail is sufficiently long, 10 meters or so, VIAVI SolutionsTM Optical Time Domain Reflectometers. The optical fiber fusion splicing technology mainly uses a fiber fusion machine to connect optical fibers and optical fibers or optical fibers and pigtails, and fuse the bare fibers and optical fiber pigtails in the optical cable together into a whole, while the pigtail has a separate optical fiber. Splicing is required to create a continuous path for light transmission from one fiber to another.