Ultrafast Pulse Picker UP1

UP1 Pulse picker consists of built-in full bridge driver and Pockels cell attached to the unit. Utrafast pulse picker in setup with pMaster 4.0H generator is able to select pulses at up to 1 MHz rate from max 100 MHz repetition rate pulse train. As a standard, UP1 comes with dual crystal BBO Pockels cell (set for quarter wave voltage operation) or dual KTP Pockels cell (for λ/2 operation). KTP Pockels cell usage is limited by the average power of the laser beam – up to 2W and contrast ratio is typically >1:500. While BBO Pockels cells operate at much higher power levels and feature higher contrast ratio – typically >1:1000.

 

We recommend to use UP1 in a set with digital synchronization and delay pulse generator pMaster 4.0H for synchronization of your laser with Pockels cell driver and triggering of Pockels cell driver used for pulse picking from the train of picosecond or femtosecond pulses. pMaster 4.0H has built-in High Voltage power supply and can be used with UP1 pulse picker for pulse picking at up to 1MHz rate.

 

Note: as OEM solution for laser manufacturers our Pockels cells, drivers, HV supplies and sync/delay generator can be offered as separate components.

 

Operation instructions for ultrafast pulse picking at up to 1 MHz rate:

Pulse picker Operation Instructions

 

Delivery

Estimated delivery time: Request

Description

Pulse Synchronization and Delay Generators

Code Description Price Delivery Add to cart
pMaster 4.0H 4 output channels for trigger pulses with built-in High Voltage supply Request Request To cart

Ultrafast Pulse Pickers for up to 1 MHz Operating Rate

Code Description Price Delivery Add to cart
UP1-BBO-3.5 With BBO clear aperture 3.5 mm, λ/4 operation at 1030-1064 nm Request Request To cart
UP1-BBO-2.5 With BBO clear aperture 2.5 mm, λ/4 operation at 1030-1064 nm Request Request To cart
UP1-KTP-5.5 With KTP clear aperture 5.5 mm, λ/2 operation at 1030-1064 nm Request Request To cart

Accessories (Optional)

Code Description Price Delivery Add to cart
Minichiller 300-H Chiller for water cooling of HV drivers Request Request To cart
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Specifications of Digital synchronization and delay pulse generator pMaster 4.0H

 

pMaster features 4 independent programmable channel outputs and communication via USB port with LabView compatible drivers for full control over all parameters.

 

Programmable Timing Generator
Channel modes
Single shot, burst, normal, duty cycle
Control modes
Internally triggered, externally triggered and external gate
Delay range
0 to 1000 s
Delay accuracy
1.5 ns + 0.0001 delay
Delay resolution
250 ps
Delay jitter
<400 ps RMS
Pulse inhibit delay / output inhibit delay
120 ns / 50 ns
Trigger input module
Trigger input rate
DC - 5 MHz
Trigger insertion delay
<180 ns
Trigger jitter
<800 ps RMS
Minimal pulse width
2 ns
Trigger threshold
0.2 - 15 V DC
Maximum input voltage
60 V peak
Input impendance
1.5 k Ω + 40 pF
Resolution
10 mV
External clock input module
External clock input rate
10 MHz – 100 MHz
Minimal pulse width
100 ps
Pulse amplitude
1 V rms (min) – 5 V rms (max)
Input impedance
102 Ω
High voltage power supply for PC driver
Built-in
Dimensions W x D x H, mm
482 x 387 x 88 mm

Specifications of UP1 Pulse Picker Units

 

UP1-BBO unit has dual BBO crystal Pockels cell.

UP1-KTP unit has dual KTP crystal Pockels cell.

 

Pulse picker
UP1 - BBO
UP1 - KTP
Built-in driver
operates at up to 1 MHz rep. rate
operates at up to 1 MHz rep. rate
HV power supply
Requires1
Requires1
Operation
Quarter wave, λ/4
Half-wave, λ/2
HV pulse duration
0-5000 ns
0-5000 ns
HV pulse rise and fall time
<6.5 ns
<6.5 ns
Pockels cell contrast ratio, VCR2
>1:500
>1:500
Pockels cell transmission3
>98% at 1030 nm
>98% at 1064 nm
Clear aperture
Dia 3.5 mm
Dia 5 mm4
Cooling
Water
Water
Dimensions L x W x H, mm
320 x 164 x 65 mm
320 x 164 x 65 mm

 

Notes:

1 - requires two HV power supplies with max 4 kV output and maximal output power 120 W each. Optimal HV power supplies are provided in generator pMaster 4.0H.

2 - VCR - contrast ratio when voltage is applied to the cell.

3 - other particular laser wavelengths or wavelength ranges are available on request.

4 - max clear aperture for KTP Pockels cell can be up to dia 9 mm.

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