IRA. Scanning Autocorrelator with Extended Scan Range
| IRA-VISIR | IRA-MIR | |
| Full possible input wavelength range* | 450-2200 nm | 2.2-11 um |
| Subranges* | VIS: 450-700 nm NIR1: 700-1300 nm NIR2: 1300-2200 nm |
MIR1: 2.2-5 um MIR2: 5-11 um |
| Input pulse duration range | 50 fs - 250 ps | |
| Sensitivity** | 1 W^2 at 50 fs - 1 ps (w. thin NL crystals) 5 W^2 at 1-250 ps (w. thick NL crystals) |
20 W^2 at 50 fs - 1 ps (w. thin NL crystals) 50 W^2 at 1-250 ps (w. thick NL crystals) |
| Maximum input average power | 1 W | |
| Input repetition rate | 10 Hz - 100 MHz | |
| Input polarization | linear, horizontal | |
| Delay line temporal resolution | 8.3 fs | |
| Full scan range | 850 ps | |
| Required equipment | PC with USB; Windows acquisition and analysis software included | |
| Power supply | 220/110 V; 50/60 Hz ±10% | |
| Dimensions | optical unit: 450x250x210 mm control unit: 250x180x90 mm |
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| * - each subrange is covered by an exchangeable optics set (NL crystals, beamsplitters, filters, photodetectors). A set for one of the subranges of the customer's choice is supplied with the unit, additional sets are supplied upon request; the final set of optics and detectors depends on the specifications of the sources to be measured and is discussed with our sales manager upon offering; ** - Pav*Ppeak (average power value in Watts multiplied by pulse peak power value in Watts); typical values; depends on input pulse duration and wavelength. |
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The IRA scanning autocorrelator is specifically developed for measurement of pulse duration and near contrast ratio of ultrafast radiation generated by ultrafast amplifiers and oscillators. There is also a special model of the IRA system that is suitable for mid-IR laser sources.
The IRA includes opto-mechanical assembly and electronics with USB interface. The system is easy to operate and includes a full set of user friendly Windows software tools for data collection and analysis. Approximation with Gauss and Sech^2 shapes is also available. The unit implements a robust scanning mechanism.
The acquisition and analysis software is fully compatible with Windows, USB drivers are included
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| Input wavelength range | 450-3200 nm |
| Pulse duration range | 10 fs - 30 ps |
| Minimum input frequency | from 10 Hz |
| Sensitivity | 100 mW^2 |
| Wavelength range | 400-2200 nm |
| Pulse duration range | 5 fs...20 ps |
| Repetition rate | single-shot...150 MHz |
| Sensitivity | 1 uJ in single-shot mode |
| Possible wavelength range | 700-1600 nm |
| GVD range at 800 nm | from -13800 to +16500 fs^2 |
| Transmission | >90% |
| Input beam diameter | up to 4 mm |
| Possible operating wavelength range | 200...2700 nm |
| Max. output rep. rate | up to 1 MHz |
| Rise time | down to 700 ps |
| Clear aperture | up to 20 mm |
| Contrast ratio | >1500:1 |
| Possible input wavelength range | 700-1500 nm |
| Scan range | up to 4 ns |
| Dynamic range | 10^10 |
| Sensitivity | 50-100 uJ |
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