The FSLD-1050-04-FC from Frankfurt Laser Company is a Superluminescent Diode with Wavelength 1030 to 1065 nm, Output Power 4 to 5 mW, Bandwidth (FWHM) 20 to 35 nm(Spectral Width), Forward Voltage 2 V, Forward Current 150 to 200 mA. More details for FSLD-1050-04-FC can be seen below.