The FSLD-1050-20-FC from Frankfurt Laser Company is a Superluminescent Diode with Wavelength 1040 to 1060 nm, Output Power 20 mW, Bandwidth (FWHM) 30 to 45 nm(Spectral Width), Forward Voltage 2.2 V, Forward Current 250 to 400 mA. More details for FSLD-1050-20-FC can be seen below.