Pigtail style collimator for 1550nm with an f=4.7mm Grin-lens in a 4mm OD housing, with -60dB return loss, with a 1 meter long, 900µm OD cabled, 8/125µm PM fiber, terminated with an angle FC/APC connector with key aligned and locked along slow axis with ER>20dB. The predicted collimated beam diameter will be around 0.9mm at 1/e^2 level.
