A fiber optic splicer is a technician who specializes in joining two fiber optic cables together. This process is essential for creating a continuous pathway for data transmission, which is crucial for high-speed internet and telecommunications. The splicer uses specialized tools and techniques to ensure that the fibers are aligned correctly, minimizing signal loss. The splicing process can involve either fusion splicing, where the fibers are melted together, or mechanical splicing, which aligns the fibers using a fixture. Proper splicing is vital for maintaining the performance of networks that rely on fiber optics for fast and reliable communication.