1. Product Title 1–128 Channel PM Fiber Array with 127/250 μm Pitch and Custom Polish Angles 2. Product Overview The GracyFiber PM Fiber Array (PM FA) is a multi-channel polarization-maintaining fiber array designed for optical systems requiring controlled polarization orientation, defined fiber positioning, and compact multi-fiber integration. The product supports configurations from 1 to 128 fibers , with 127 μm and 250 μm core-pitch options depending on channel count. It