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QBD-series Pockels Cell Drivers

Product details

QBD-series is a line of quite simple, compact and inexpensive Pockels Cell Drivers.

Features:

  • Push-up or pull-down modifications
  • Up to 6 kV output voltage
  • Up to 100 kHz repetition rate
  • < 20 nsec rise time or < 20 nsec fall time
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Product Description

QBD is a series of high repetition rate Pockels cell drivers allowing simple and reliable control of Q-switched lasers. Output voltages may be selected in the range of up to 6 kV.

Driver may be manufactured in two modification: for pull-down scheme (= normally on scheme), and for push-up scheme (= normally off scheme):

High repetition rates and fast transition times are additional benefits.

Know more about Pockels_cells

You may also like QBD mini Pockels cell drivers

Applications
  • Q-switching
Technical Specifications
INPUT
Voltage +24 VDC
OUTPUT
Modifications by operational modes pull-down (= normally on)
or push-up (= normally off)
Voltage, high level regulated, up to 6 kV1
Voltage, low level fixed, 0 V
Pulse Repetition Rate up to 50 kHz (CW), up to 100 kHz (burst-mode)1, 2
Rise time (fall time) <20 nsec3
Recovery Time 5-10 µsec (load-dependent)
Timing Jitter 10 nsec
Delay Time 1 µsec
Load Capacitance up to 0.5 nF1
ENVIRONMENT
Operational Temperature +10 °C to +40 °C (wider range on request)
Storage Temperature ‐20 °C to +60 °C
Humidity 90%, non-condensing
PHYSICAL
Exterior Dimensions (LxWxH) 110x80x25 mm
Weight 0.1 kG

1 these parameters aren’t independent, and cannot achieve their maximum at the same time
2 forced air cooling is required for operating with high repetition rates
3 10-90% level, warranted at load capacitance 23 pF and below

How To Order

Pull-down (normally on) modifications

Model* Description*
QBD-6024-DN Pull-down scheme,
2.4-6.0 kV high voltage adjustment range
QBD-5020-DN Pull-down scheme,
2.0-5.0 kV high voltage adjustment range
QBD-4016-DN Pull-down scheme,
1.6-4.0 kV high voltage adjustment range
QBD-3012-DN Pull-down scheme,
1.2-3.0 kV high voltage adjustment range
QBD-2008-DN Pull-down scheme,
0.8-2.0 kV high voltage adjustment range
QBD-1004-DN Pull-down scheme,
0.4-1.0 kV high voltage adjustment range

(*) Other output voltages are available on request

Push-up (normally off) modifications

Model* Description*
QBD-6024-UP Push-up scheme,
2.4-6.0 kV high voltage adjustment range
QBD-5020-UP Pull-up scheme,
2.0-5.0 kV high voltage adjustment range
QBD-4016-UP Pull-up scheme,
1.6-4.0 kV high voltage adjustment range
QBD-3012-UP Pull-up scheme,
1.2-3.0 kV high voltage adjustment range
QBD-2008-UP Pull-up scheme,
0.8-2.0 kV high voltage adjustment range
QBD-1004-UP Pull-up scheme,
0.4-1.0 kV high voltage adjustment range

(*) Other output voltages are available on request

Example:

QBD-5020-DN Pull-down scheme,
2.0-5.0 kV high voltage adjustment range
Products in this series:
QBD-nano avalanche transistor Pockels cell driver