Heavy data traffic, poor heat dissipation, high ambient temperature and component aging easily overheat optical transceiver, resulting in signal degradation, higher bit error rates, shorter transmission distance and even module failure. In many discussions, their performance is evaluated primarily at the point of installation—typically through insertion loss and uniformity measurements under controlled conditions. Using FBT splitters for GPON/XGS-PON deployment can be a viable option, but temperature concerns are valid, especially in colder climates like New England. While FBT splitters may have a narrower temperature operating range compared to PLC splitters, they can still perform well within their. Fiber optic splitters distribute optical power from one input fiber to multiple output fibers through either fused biconical taper (FBT) coupling or planar lightwave circuit (PLC) waveguide structures. Their performance depends on optical symmetry, waveguide integrity, and mechanical stability of. In order to prevent the optical fiber welding machine from overheating, the following measures can be taken: First, improve the working environment Maintain good ventilation: Place the optical fiber welding machine in a well-ventilated environment to ensure the air circulation around the machine. Fiber lasers are widely used in industrial processing, telecommunications, and medical fields.