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Description

HVSW-04 pulse picker is a dedicated high voltage high repetition rate Pockels cell driver for pico- and femtosecond lasers. It represents a combination of two fast drivers (based on MOSFET technology) in a full-bridge schema. 

Using the pulse picker driver one chooses between two operation modes:

  • fixed width short pulses (about 15-20 ns), triggered by a leading edge of an external TTL.
  • variable width long pulses (adjusted in range of 100-2000 ns typically, other on request), when a leading edge of an external TTL signal cause rise of pulse, and a trailing edge cause pulse fall.

 

We offer also a Wide Range (WR) driver modification with a continuously adjustable in range of 15-2000 ns pulse width.

The driver requires +24 V DC power supply, a pulse generator to set an operating frequency and pulse width (in variable pulse width mode) and a HV DC bipolar power supply (e.g. HVPS-300 (+24V DC input) or HVPS-BT (100-240V AC input) from OEM Tech). User has a possibility to adjust an output voltage level by using an interface of the HV DC power supply.

The maximum output voltage is 4 kV (bipolar), maximum repetition rate is 0.5-4 MHz (depends on output voltage, actual load capacitance and cooling conditions). 

The driver is water-cooled, but we have also an air-cooled HVSW-03, please, ask. 

We offer the complete electrical modules kit for a pulse picker and ready to consult you about our products.

Pulse Picker HVSW-04 Pockels Cell Driver

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Specifications

Voltage Range: 0 – 4 KV
Rep Rate Range: Single Shot to 1 MHz, Single Shot to >1 MHz
Pulse Width Range: 15 – 2000 ns
Optical Rise And Fall Time: 5 ns
Interpulse Interval, Min: 50 ns
Max. Rep. Rate: up to 4 MHz @ 1400 V
Max. Rep. Rate At High Voltages: up to 1 MHz @ 3.2 kV

Got questions about specs? Use the inquiry form to ask.

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Features

  • Up to 4.0 kV output voltage
  • Up to 4 MHz repetition rate (at 1.4 kV voltage)
  • Up to 1 MHz repetition rate (at 3.2 kV voltage)
  • 6-11 ns rise / fall time
  • Requires external HV power supply (e.g. HVPS-300)
  • Two possible operating modes for base model: short pulse (15-20 ns, fixed width) and long pulse (100-2000 ns, adjustable width)
  • 15-2000 ns pulses for wide range modification

Applications

  • Pulse picking
  • Cavity dumping
  • Regenerative amplifier control

Frequently Asked Questions

What is the HVSW-04?
The HVSW-04 is a high voltage high repetition rate Pockels cell driver.
What should I consider regarding safety when using the HVSW-04?
This equipment may be dangerous, so it's important to read the entire user manual carefully before using the product.
How should I measure the output of the HVSW-04?
The output should be measured with a symmetrical (differential) high voltage probe only. Using inappropriate equipment for measurement is a common cause of driver failure.
What interfaces does the HVSW-04 support?
The HVSW-04 supports an analogue interface for operations and an RS-485 interface for communication.
What is included in the delivery contents of the HVSW-04?
The contents of delivery are detailed in the user manual, but specific items are not listed in the provided datasheet excerpt.
Where can I find the technical specifications of the HVSW-04?
The technical specifications can be found on page 14 of the user manual.
How can I order the HVSW-04?
Instructions on how to order the HVSW-04 are provided on page 16 of the user manual.

Got more questions? Use the inquiry form to ask the supplier directly.

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