Pockels Cell Driver
Pockels Cell Driver
Pockels Cell Driver
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STANDA in Lithuania
STANDA P.BOX 2684 , 03001 Vilnius 9 P.O., Lithuania
Phone +370 5 2651474, Fax +370 5 2651483
E-mail: sales@standa.LT
Standa in the World
STA-PCD-1 - Pockels Cell Driver
Pockels Cell Driver
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High-voltage pulse is formed by a symmetrical, bipolar output in «Switch-On» operational mode
Single supply voltage range +5V to +7.5V
Built-in, pulsed HV-Source
Adjustment of a high-voltage pulse either directly on the board (through built-in potentiometer) or remotely
Significantly reduced electro-magnetic noise
Positive logical trigger 3 ÷ 8 V
Highly reliable topology
Ultra-compact size – designed for handheld Q-switched laser heads

Pockels cell driver STA-PCD-1 has been designed for cavity dumping and Q-switching of solid-state lasers equipped with electrooptical Q-switches based on BBO or DKDP crystals. The modified version STA-PCD-2 provides unipolar output and may be used with Q-switches and modulators based on RTP, KTP, LITA, LNB crystals.
The device could also be used as a generator of nanosecond electrical pulses.

View wiring diagram View output diagram View transmission graph

Parameter Model
Output voltage amplitude 1, 1a 2800 ÷ 3800 V 1400 - 1900 V
Output voltage pulse-to-pulse instability 1 %
Max pulse current 40 A
Max load capacitance 40 pF
HV pulse rise time 2 2 ÷ 4 ns
HV pulse duration (factory-set) 3 0.5 ÷ 1 μs
HV pulse fall time 3 ÷ 6 μs
Max HV pulse repetition rate 2 kHz
Trigger voltage (input impedance is 200 Ohms) 3 ÷ 8 V (+5V)
Output pulse delay vs. trigger pulse 4 15 ÷ 30 ns
HV pulse jitter < 0.5 ns
External powering requirements:
   Low voltage DC supply +5V to +7.5V
   Low voltage DC supply current
      at a repetition rate of 100 Hz 180 mA
      at a repetition rate of 1 kHz 260 mA
      at a repetition rate of 2 kHz 340 mA
Operating temperature range –40 ÷ +60 °C
Dimensions 30 x 50 x 12.6 mm3
Mounting hole pattern (Ø 3.2 mm) 24 x 44 mm

1 is set from the built-in potentiometer or remotely, upon request the voltage output level can be adjusted to any value by means of capacitive voltage divider.
1a max. output voltage amplitude could be achieved while driver is supplied with +7.5V voltage
2 depends on the load inductance and output voltage amplitude.
3 is set by manufacturer.
4 Delay depends on the trigger pulse. The higher trigger amplitude the shorter delay.

Related products

RTP EO Q-switch

STA-PCD-1 packaged with BBO based Pockels cell

Ordering Information
Model Output voltage amplitude Package type  
STA-PCD-1 2800 ÷ 3800 V PCB Assembly
STA-PCD-2 1400 - 1900 V PCB Assembly
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