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DQF Pockels Cell Driver for Q-Switching for Flashlamp Pumped Lasers

DQF Pockels Cell Driver for Q-Switching for Flashlamp Pumped Lasers

DQF is designed for Q-switching of nanosecond flashlamp pumped lasers without use of phase retardation plate. High voltage is applied to Pockels cell to inhibit oscillation. Pockels cell is opened by negative polarity pulse allowing laser to radiate.

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Description
Code Max HV to cell pulse amplitude Description Price Delivery Add to cart
DQF-0.2-5D 5 kV without integrated HV power supply Request Request
DQF-0.1-8D 8 kV integrated ±4 kV HV power supply Request Request
Model DQF-0.2-5D DQF-0.1-8D
Maximum high voltage to cell (HV)
pulse amplitude (U1+U2)
5 kV 8 kV
U1 value equal to HV powering voltage
U2 value equal to 0.25xU1 equal to 0.25xU1
HV pulse time fall time (a) < 15 ns < 12 ns
HV pulse rise time, typical (b) 60 µs 120 µs
HV pulse duration, typical (c) 300 µs (1200 µs optionally) 650 µs
HV pulse repetition rate ≤ 250 Hz ≤ 100 hz
HV pulse delay (d) 40 ns 25 ns
External triggering pulse duration 100-1200 µs 120-650 µs
External triggering pulse amplitude 3-5 V (50 Ω) 3.5-5 V (50 Ω)
External triggering pulse rise & fall time < 20 ns < 20 ns
Board dimensions 92 x 70 x 22 mm* 92 x 70 x 27 mm*
Mounting holes location for M3 studs 84 x 62 mm 84 x 62 mm
External powering requirements:
DC supply 12-24 V, max 200 mA 12 V, max 15 mA
HV supply 4 kV, 1 mA integrated in driver

 

* Keep safety distance at least 5 mm from any side of board or any component to surrounding conductive parts.

EKSMA Optics DQF Series Pockels Cells Drivers
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DQF series drivers are designed for Q-switching of nanosecond flashlamp pumped lasers without use of phase retardation plates. 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 DFQ-0.2-5D needs an external HV power supply, PS-5 model is recommended.

Driver DFQ-0.1-8D is integrated with 4 kV HV power suppliy. High voltage can be controlled either by onboard trimmer potentiometer or by using CAN interface. We suggest CAN-USB converter with CAN browser software for Windows operating system. CAN browser can be kept disconnected after proper voltage value is set.