QDP-50™ OEM Pockels Cell Driver ( For Lamp-Pumped Lasers )
QDP-50™ is a compact Pockels cell driver for lamp-pumped lasers, designed for Q-switching in lasers without a phase-retardation plate. A trigger applies high voltage to inhibit laser output. After a preset delay, a fast negative pulse opens the power supply to enable laser output, before returning to high voltage to suppress additional emission. Repetition rate is 0–50Hz, output voltage 1.2–4.0kV, rise time 300–800us, fall time 10ns, and pulse width 160–300μs. Compared with conventionally used voltages, QDP-50 has been shown to improve Pockels-cell laser output power and service life. It can be triggered through an SMA connector or optional optical input for improved noise immunity.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Pulse Repetition Rate [Same as Trigger Input] | min:1Hz; max:50Hz, Same as Trigger Input |
| Adjustable Amplitude (V1+V2) [V2=10% of V1] | min ：1.2kV， max ：4.0kV |
| Total HV On-Time (Adjustable or Fixed) | min ：300µs， max ：800µs |
| Delayed Center Pulse(Adjustable) | min ：160µs， max ：300µs |
| Fall Time [3.5kV；6pF] | 10ns (3.5kV, 6pF) |
| Rise Time [3.5kV；6pF] | min ：1µs， max ：5µs，3.5kV，6pF |
| Voltage Input [Exceeding20VDC Will Damage the Driver] | min:15VDC; max:18VDC; Exceeding20VDC Will Damage the Driver |
| Input Current [4.0kV;50Hz;10pF Load] | 250mA(4.0kV,50Hz,10pF Load ) |
| Input Impedance | min:48Ω; max:52Ω |
| Amplitude | min:4V; max:10V |
| Pulse Width [User-Set] | min:100ns; max:10µs;User-Set |
| Propagation Delay [Trigger Trailing Edge] | min:80ns; max:100ns; Trigger Trailing Edge |
| Ambient Temperature | 50℃ |
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Key Features
Datasheet
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