Pigtail style collimator for 750nm with a 6 meter long, 3mm OD Kevlar jacketed, 5/125µ SM fiber, a 20mm OD flange housing with an f=4.7mm GRIN lens with -40dB return loss and a Flat polished FC/PC connector. The output beam diameter will be approximately 1mm (at 1/e²) with a full divergence angle about 1.1mrad.
