The LDP-V 03-100 V4.0 from PicoLAS GmbH is a Laser Diode Driver with Operating Temperature -20 to 55 Degree C, Compliance Voltage 80 V, Output Current 0.3 to 3.5 A, Pulse Width 1 ns to 10 µs, Output Voltage 80 V. More details for LDP-V 03-100 V4.0 can be seen below.