1. Product Title PM Fiber Coupler – Polarization Maintaining Optical Coupler for 780–1550 nm Applications 2. Product Overview GracyFiber PM Fiber Coupler is a fused polarization-maintaining optical component designed for precise optical power splitting while preserving polarization stability. Available in 1×2 and 2×2 configurations , this PM coupler supports a broad wavelength range from 780 nm to 1550 nm and provides multiple splitting ratio options for different optical