Linear fiber arrays are precisely aligned bundles of optical fibers used to transmit and receive light across high‑speed communication, sensing, and photonic integration platforms. Linear Fiber Arrays market size is projected to reach approximately $1.45 billion in 2025, with a market forecast indicating a CAGR of 6.7% through 2033, underscoring a robust growth outlook driven by data‑center expansion, 5G rollout, and rising demand for photonic‑based interconnects. The scope of this analysis covers fiber‑type segmentation (single‑mode, multi‑mode, few‑mode), key applications (telecommunications, data centers, sensing), and principal end‑users (network operators, OEMs, research institutions).