What is the purpose of fiber optic sleeves?

The purpose of fiber optic sleeves is to protect and secure spliced fibers within a joint or connection. When two fiber optic cables are spliced together, it is crucial to ensure that the spliced area is adequately protected from environmental factors such as dirt, moisture, and physical stress. The sleeves provide a secure enclosure that holds the spliced fibers in place, preventing them from bending excessively, which could lead to signal loss or possible breakage. They also help maintain the integrity of the optical connection, which is vital for ensuring optimal signal transmission through the fibers.

The other options do not accurately represent the primary function of fiber optic sleeves. Enhancing signal strength typically involves other technologies and components, while the overall weight of the cable is influenced by materials and design rather than the sleeves themselves. Flexibility in optic cables is achieved through other means, such as the design of the cable and the materials used, rather than through the presence of sleeves.