PCD-N series

OEM Pockels Cell Driver
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  • For Q-switching of lasers without use of phase retardation plate
  • Different versions tailored for specific applications
  • For Q-switching of lasers without use of phase retardation plate
  • Different versions tailored for specific applications

Description

Drivers PCD-N-2 and PCD-N-3 are designed for Q-switching of nanosecond lasers without use of phase retardation plate. High voltage is applied to Pockels cell in order to inhibit oscillation. Pockels cell is opened by negative polarity pulse allowing laser to radiate. Driver need for external HV power supply, HV05Wm is suitable.

Drivers PCD-N-3D and PCD-N-3B is integrated with ±4 kV HV power supply. Voltage control is done using CAN interface. EKSPLA suggest CAN-USB converter with Can browser software for Windows® operating system. Can browser can be kept disconnected after proper voltage value was set.

Drivers PCD-N-2D and PCD-N-3D are designed for operation with DKDP crystals, drivers PCD-N-2B and PCD-N-3B – for BBO.

Specifications

Model 1)PCD-N-2D    PCD-N-2B    PCD-N-3D    PCD-N-3B   
Maximum high voltage to cell (HV) pulse amplitude (U1 + U2)5 kV8 kV
U1 value (Fig. 3)equal to HV powering voltageequal to HV powering voltage
U2 value (Fig. 3)equal to 0.25xU1 0 Vequal to 0.25xU1 0 V
HV pulse fall time (a)< 15 ns< 12 ns
HV pulse rise time, typical (b)60 µs120 µs
HV pulse duration, typical (c)300 µs (1200 µs optionally)700 µs
HV pulse repetition rate≤ 250 Hz≤ 100 Hz
HV pulse delay (d)40 ns25 ns
External triggering pulse duration requirement100 - 1200 µs120 - 700 µs
External triggering pulse amplitude requirement3 - 5 V (50 Ω)3.5 - 5 V (50 Ω)
External triggering pulse rise & fall time < 20 ns< 20 ns
Board dimensions92 x 70 x 22 mm 2)92 x 70 x 22 mm *
Ø3.2 mm mounting holes location84 x 62 mm84 x 62 mm
External powering requirements
    DC supply12-24 V, max 200 mA12 V, max 15 mA
    HV supply4 kV, 1 mAn/a
  1. Specifications are subject to changes without advance notice.
  2. Keep safety distance at least 5 mm from any side of board or any component to surrounding conductive parts.

Performance & Images

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