Which factors can lead to increased splice loss during temperature changes?

Splice loss during temperature changes can occur due to fibers misaligning as they expand or contract. This phenomenon arises from the fact that different materials within the fiber optic system may react differently to temperature fluctuations. When temperatures increase, the fibers can expand, and when they decrease, they contract. If the fibers are not perfectly aligned during these changes, discrepancies can cause the light signal to scatter or reflect, leading to increased splice losses.

Proper alignment is crucial because the efficiency of light transmission relies heavily on how well the cores of the fibers come together at the splice point. Any misalignment, even slight, can lead to significant loss of signal strength. This principle is essential for fiber optics installation and maintenance, as technicians must account for environmental factors that might affect splice integrity over time. Understanding this dynamic helps technicians create more resilient fiber optic installations.