The SLD-840-14DL-5 from Nolatech is a Superluminescent Diode with Wavelength 810 to 840 nm, Output Power 0.2 to 5 mW, Bandwidth (FWHM) 20 to 30 nm, Forward Voltage 2.5 V, Forward Current 200 to 300 mA. More details for SLD-840-14DL-5 can be seen below.