The AVO-2M-B from Avtech Electrosystems Ltd is a Laser Diode Driver with Operating Temperature 5 to 40 Degree C, Compliance Voltage 2 to 45 V, Output Current 4.5 A, Pulse Width 1 to 10 ns, Output Voltage 2 to 45 V. More details for AVO-2M-B can be seen below.