When selecting PLC splitters, both IL and RL must be considered alongside reliability and installation needs. 2–17 dB (depending on configuration). In order to better understand the damage phenomenon and failure mechanism of planar lightwave circuit (PLC) optical splitters under force cycling, this paper established an online test experimental platform to study their optical and mechanical performance response under the action of force. In any FTTH network, the PLC splitter is not just a passive optical component — it is a capacity decision point. Every choice related to splitter ratio, placement, and integration directly affects: For ISPs and FTTH contractors, misunderstandings around PLC splitters are one of the most common root. In fiber-optic networks like FTTx and PON, PLC splitters are key components for distributing optical signals to multiple users. However, each splitter has complex parameters, including insertion loss, return loss, polarization-dependent loss, and uniformity. Compact design High Reliability Customized packing and configuration Available configuration: 1:2–1:64 and 2:4–2:64 Bare fiber Fan-out. The information contained within this document must not be copied, reprinted or reproduced in any form, either wholly or in part, without the written consent of Prysmian Group. The information is believed correct at the time of issue. Prysmian Group reserves the right to amend this specification. Optical performance modeling involves the development of mathematical models that describe the behavior and characteristics of optical devices such as PLC fiber splitters.