Kentech High Voltage Pulser 1.5 kV

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This is a Grant Applied Physics/Kentech Instruments Modular Pulse Source (MPS) Pulser. The MPS series allows very high voltage, fast rising pulses to be obtained from a compact bench top unit. This pulser has applications in many fields such as high speed camera research, electro-optic switching, triggering systems and radar.

There is very little jitter in the output of the pulsers and two independent pulsers can be used in parallel to drive low impedances. This aspect makes the pulsers particularly useful for driving microchannel plate systems.

This pulser can feed into a short circuit load without damage. This allows it to be used in sub-nanosecond pulse chopping systems by feeding through a pockels cell into a shorting stub.

This unit requires AC power and a trigger signal to operate. The trigger signal, which is applied to the trigger input (BNC), should be approximately 10 V with a fast rising edge (<5 ns) to maintain the low jitter of the system.

When triggered, the "triggered" light on the front panel will flash. A monitor pulse is available to establish remotely that the unit has triggered. This monitor may also be used to trigger ancillary pieces of equipment, e.g. intensifiers etc.

The main output of the unit appears at the front panel connector (BNC). If it is necessary to monitor or characterize this pulse, suitable attenuators should be used. Kentech recommends the use of a high voltage, high speed attenuator manufactured by Barth as the first attenuator in a series. The high voltage pulse from this unit is capable of destroying many lower power attenuators, including GR types.

The output may be observed with a high bandwidth oscilloscope. This may either be a fast (>3GHz) direct access type or a sampling type.

If the output of the MPS pulser is to be used directly or via any passive network it is essential that cable lengths are kept as short as possible and that only high quality cable is used. This will enable the fast rising edge generated by the unit to reach the load without serious degradation.

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Specifications