The uniLDD-QCW-2TEC-30-220 from EKSMA Optics is a Laser Diode Driver with Operating Temperature 0 to 40 Degree C, Output Current 220 A, Pulse Width 300 µs, Input Voltage 12 to 90 V (power stage), 12 to 30 V(control stage), Repetition Rate 100 Hz. More details for uniLDD-QCW-2TEC-30-220 can be seen below.