The PCD-041-4800 from Vigitek is a Pockels Cell Driver with Output Voltage Amplitude 3.6 to 5.8 kV, Supply Voltage(DC) 12 VDC (8 to 16 VDC), Fall Time 1 to 3 ns, Load Capacitance 4 to 10 pF, Trigger Voltage 5 V (4.5 to 5.5 V). More details for PCD-041-4800 can be seen below.