BME Bergmann

Bergmann Messgeräte Entwicklung KG

Home High Voltage Electronics Pockels Cell Driver Head

Pockels Cell Driver Head

The core of our Pockels cell driver heads are high performance solid state switches. All driver heads are EMC tested to suite medical applications as well as research applications. They are available in one of our standard housing as well as in any specifically designed housing which suits your specific needs. The Pockels Cell is mounted in a separate compartment on top of a four or five-axis alignment table. Usually the Pockels cell is integrated into the driver head, detachable Pockels cell compartments can be designed as well. Beam height varies from 28mm to 80mm but any custom height can be fabricated upon customer request.

 

Main Features:

 

  • high repetition rate
  • fast switching, on and off
  • variable pulse duration
  • double pulses with spacing < 30ns
  • low jitter
  • for BBO, RTP, KD*P CdTe Pockels cells
  • true square pulse shape

 

Patent granted: WO 2011/009467, US 8610990, EP 2310902, DE 10251888, EP 1418460, US 7260121, EP 2250714,

US 9536929, EP 2636108, CA2816468, US 9070665, EP 3023832, US 9703126, EP 3128673, US 9846319

Patent application pending: EP 10708891.6

 

General Specifications

 

max. operating voltage up to 22kV 1
max. repetion rate 20MHz continuous, up to 50MHz in burst mode 1
optical rise- and falltime 200ps – 7ns 1
output load 50 Ohm or capacitive
pulse width any
on / off – ratio 0 < 1
jitter, input to output < 100ps
trigger input impedance 50 Ohm
trigger input

 

3 – 10V, width > 50ns

 

These specifications are mutually dependent, i.e. reprates of 20MHz are achievable at switching voltages of 1kV, at 10kV repetition rate may be limited to about 700kHz. Higher switching voltage tends to increase rise time. For a burst mode switch maximum average pulse frequency must be observed

 

Selection of Systems

 

Name Producer Material Reprate Rise/fall Voltage
QS4 Quantum Technology, Inc. BBO 80kHz 6nsec 5.6kV Data
BBPC4 Linos AG BBO 125kHz 5nsec 4.6kV Data
CPC3 Linos AG BBO 150kHz 4nsec 3.5kV Data
DPC3 Linos AG BBO 100kHz 5nsec 4.0kV Data
RTPC4 Linos AG RTP 500kHz 4nsec 1.65kV Data
BBO 3mm Leysop Ltd BBO 5MHz 4nsec 3kV Data
BBO 7mm Leysop Ltd BBO 700kHz 6nsec 10kV Data
BBO 8mm Leysop Ltd BBO 700kHz 6nsec 10kV Data
RTP 3mm Leysop Ltd RTP 10MHz      (50MHz burst mode) 4nsec 1.2kV Data
RTP 4mm Leysop Ltd RTP 10MHz      (50MHz burst mode) 7nsec 1.5kV Data
RTP 4mm Leysop Ltd RTP 100kHz 1.5nsec 1.65kV Data
RTP 6mm Leysop Ltd RTP 10kHz 3nsec 3.6kV Data
RTP 6mm Leysop Ltd RTP 200kHz 5nsec 3.6kV Data
UPC 6mm Leysop Ltd KD*P 100Hz 250psec 7.2kV Data
1147 Series 6mm FastPulse Technology, Inc. RTP 1MHz       (50MHz burst mode) 5nsec 2.4kV Data
Lightgate 3 Cleveland Crystals, Inc. BBO 300kHz 4nsec 2.8kV Data
Lightgate 3 Cleveland Crystals, Inc. BBO 2MHz       (50MHz burst mode) 6nsec 2.8kV Data
Lightgate 4 Cleveland Crystals, Inc. BBO 150kHz   (40MHz burst mode) 4nsec 3.2kV Data
Lightgate 4 Cleveland Crystals, Inc. BBO 1MHz 7nsec 3.2kV Data
Lightgate 5 Cleveland Crystals, Inc. BBO 600kHz 7nsec 4.4kV Data
Lightgate 5 Cleveland Crystals, Inc. BBO 25kHz 6nsec 8kV Data
IRX Series Cleveland Crystals, Inc. CdTe 150kHz 5nsec 5kV Data
QX1020 Cleveland Crystals, Inc. KD*P 10kHz 3.5nsec 9.0kV Data
QX1630 Cleveland Crystals, Inc. KD*P 10kHz 5nsec 7.0kV Data
QX2035 Cleveland Crystals, Inc. KD*P 10kHz 4.4nsec 9.0kV Data
TX Series Cleveland Crystals, Inc. KD*P 100Hz 10nsec 9.0kV Data