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PP: Pulse Picking Timing Controller

PP: Pulse Picking Timing Controller

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  • Two independent pulse-picking controllers
  • High speed repetition rate supports 200 MHz laser technologies
  • FPGA controller architecture
  • Gate and trigger modes via auxiliary inputs
  • Configurable divider and burst settings
  • Reconfigurable and upgradable through software updates
  • Ethernet connectivity and web interface


Ice Bloc PP is a versatile Pulse Picking timing controller for use with up to 200 MHz repetition rate lasers. The PP is ideal for precision laser machining applications with dual-channel reconfigurable control over burst period and duty cycle. The dual-channel timing outputs are ideal for use with Master Oscillator Power Amplifier and Regenerative Amplifier systems. Its customisable software interface allows easy integration with your experiments or OEM setups.


Channels 2
Photodiode Inputs 1 per channel; MCX
Auxiliary Inputs 1 per channel; MCX; +5V TTL
Outputs 1 per channel; MCX; +5V TTL
Max Safe Aux Input +5V (Protected)
Max Safe Photodiode Input +5V
Photodiode Bias Control 0 V to +5 V via 1 kΩ to MCX centre pin
Pulse Picker  
Laser Rep-Rate Range Using PLL Mode 20 MHz to > 200 MHz
Laser Rep-Rate Range Using Sampled Mode 200 KHz to 20 MHz
Divider Range 2-65535
Burst Size 1-65535
Phase control PLL Mode Adjustable across full cycle
Phase Control Sampled Mode Adjustable Delay up to 175 ns
Free Running Mode Output is Always Enabled
Auxiliary Control Mode Use Auxiliary Input to Gate or Trigger Output
Other Modes Pass-Through or Off
Auxiliary Input Frequency Range Gate or Trigger From DC to 3 MHz
Group Mode Starts both pulse pickers simultaneously
Mains input voltage 100 - 240 V AC, 50/60 Hz, 350 VA (Typical power: 30 W)
Ice Bloc size (W x H x D) Half rack 203 mm x 2U 89 mm x 345 mm (8” x 3.5” x 13.6”)
Ice Bloc unit weight 3.5 kg
Operating temperature 0 °C to 70 °C
Storage temperature -20 °C to 85 °C
Relative humidity  90 % Humidity, non-condensing
Indoor/outdoor use Indoor use only
Altitude <2000 m