This loss is primarily quantified as insertion loss, which measures the reduction in signal power due to the splitter's presence in the optical path. Factors influencing splitter loss include splitter type, splitter numbers, and component quality. Understanding the types of splitters, their impact on network performance, and how to measure their losses ensures high-quality network operation and facilitates optimal splitter selection based on. To address the demand for low-cost, low-loss, and environmentally friendly optical power dividers in short-range visible light communication (VLC) systems, a low-loss 1 × 2 Y-branch optical splitter based on the integration of a planar optical waveguide (POW) and plastic optical fiber (POF) is. In fiber optic networks, particularly in FTTx (Fiber to the x) and PON (Passive Optical Networks) deployments, splitters play a central role in distributing the optical signal from a single source to multiple destinations. These are known as passive optical splitters, and they perform the function. Plate beamsplitters are made using a coated substrate, and thus exhibit beam offset and ghost reflections from the second surface. Cube beamsplitters avoid beam displacement by working at 0° angle of incidence and placing the coated surface between two right angle prisms, but power handling can be. Beam splitters are essential optical devices used in various applications to divide a light beam into two or more distinct paths.