PCD
Pockels cell drivers
High repetition rate and high voltage Pockels cell drivers with energy-efficient power supplies
Range of drivers for Pockels cells are fast HV switches designed to load and unload capacitance of Pockels cell with several nanosecond edges. Drivers can be adopted according to OEM requirements: optimizing of mechanical design, output switch for voltage, repetition rate, rise/fall time and pulse duration lengthening.
Description
Range of drivers for Pockels cells are fast HV switches designed to load and unload capacitance of Pockels cell with several nanosecond edges.
Amplitude of output pulses to Pockels cell is about equal to HV supply voltage. Only exception is DP-FAM series drivers that allow to control the amplitude of each pulse by analog voltage input.
Design adaptation for particular OEM customer is possible and can include optimizing of mechanical design, output switch for voltage, repetition rate, rise/fall time and pulse duration lengthening etc.
Almost all the drivers can work in up to 5 MHz bursts. Range of DC/DC type HV power supplies is manufactured to provide a complete Pockels driving solution.
Features
- Low and high repetition rate models covering range from single pulse to 6 MHz
- Up to 5 MHz in burst
- Square pulse shape
- Controlled by an external trigger pulse
- Fast HV switching for both rise and fall edges
- Wide range of pulse durations
- Low jitter
- For BBO, RTP, KD*P, CdTe Pockels cells
- Designed for capacitive load
Specifications
| DRIVER series | PCD-UHR | PCD-UHRS |
|---|---|---|
| Operating specifications | ||
| Maximal operating voltage | ≤ 9.8 kV | ≤ 3.6 kV |
| Maximal repetition rate | 6 MHz | 1 MHz |
| Minimal HV pulse duration | 100 ns | 15 ns |
| HV pulse duration extension with no principal limit using pulse regeneration technique | YES | NO |
| Triggering pulse duration requirement (for two-pulses triggering mode only) | ≥20 ns | ≥20 ns |
| Triggering pulse amplitude requirement | 3.5 – 5 V (50 Ω input) | 3.5 – 5 V (50 Ω input) |
| Triggering pulse rise & fall time requirement | ≤ 10 ns | ≤ 5 ns |
| Maximal length of leads to Pockels cell | 10 cm | 10 cm |
| HV pulse delay | 25 ns | 30 ns |
| HV pulse jitter | <100 ps | <100 ps |
| EXTERNAL POWER REQUIREMENTS | ||
| HV supply | each model has particular recommendation | each model has particular recommendation |
| Low voltage supply | 24 VDC ± 1 V | 24 VDC ± 1 V |
Downioads
PCD Pockels Cell Drivers
Laser Electronics
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