980/1060nm Polarization Maintaining (PM) Fiber Patch Cable, Slow Axis Working is engineered for high-precision optical applications requiring stable polarization performance at 980nm and 1060nm. Built with slow-axis working PM fiber, it ensures high extinction ratio, low insertion loss, and excellent repeatability, making it ideal for use in fiber optic sensing, interferometry, fiber laser systems, and polarization-sensitive measurement setups.