The FSLD-840-10-FC from Frankfurt Laser Company is a Superluminescent Diode with Wavelength 820 to 860 nm, Output Power 10 to 15 mW, Bandwidth (FWHM) 45 to 50 nm(Spectral Width), Forward Voltage 2.6 V, Forward Current 150 to 250 mA. More details for FSLD-840-10-FC can be seen below.