The 49-3940-8000-B from Lumentum Operations LLC is a Laser Diode with Wavelength 916 to 965 nm, Output Power Up to 8 W, Operating Current 8.1 to 11.1 A, Threshold Current 600 to 900 mA, Output Power (CW) Up to 8 W. More details for 49-3940-8000-B can be seen below.