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It is possible to operate the laser at reduced repetition rates, or at repetition rates set by a user-provided synchronisation signal, through an external pulse picker module. This unit consists of an optical head, using an acousto-optic modulator, and its control electronics.
Main specifications
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t-Pulse 20 |
t-Pulse 200-500 |
| Diffraction efficiency |
> 65% |
> 75% |
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Input diameter |
1.5 mm |
1.5 mm |
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Contrast ratio 1 |
> 100 : 1 |
> 1000:1 |
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Repetition rate |
> 4 MHz to single shot |
> 1 MHz to single shot |
| Tuning range |
700-1100 nm |
700-1100 nm |
1 : Selected pulse to adjacent pulse. Contrast ratio higher for subsequent pulses
User settings
- Repetition rate
- Delay
- Output Amplitude
- Pulse width
Interface signals
- Synchro signal for repetition rate control, TTL
- Direct modulation input
- Alignment mode
- Trigger out (monitor)
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