Pigtail style dual fiber collimator for 1550nm with an f=2.13mm GRIN lens in a 2.5mm OD housing with -60dB return loss, with a pair of 1 meter long, 900µm OD jacketed, 9/125µm singlemode fibers, terminated with angle FC/APC connectors at each fiber end. The output beam diameter will be about 0.4mm. SP= Dual fiber collimator.
