1m -0/+0.1m long, Master reference patchcord, 3 mm OD jacketed (blue color), 5/125ยต 780nm PM fiber patchcord, terminated on one end with a super FC/PC connectoron ; with +/-1.5degree polarization angle tolerance (Optically) and while there is no external stress is applied onto fiber.Both are pre-aligned and locked on the slow axis. ER=30dB minimum
