The uniLDD-QCW-30-100 from EKSMA Optics is a Laser Diode Driver with Operating Temperature 0 to 40 Degree C, Output Current 100 A, Pulse Width 450 ms, Input Voltage 12 to 90 V (power stage), 12 to 30 V(control stage), Repetition Rate 10 Hz. More details for uniLDD-QCW-30-100 can be seen below.