IRA自相关仪是专门为测量超快放大器和振荡器产生的超快辐射脉冲宽度和近对比度而开发的。还有一种特殊的IRA系统模型，适用于中红外激光源。IRA包括光学机械组件和电子设备与USB接口。系统易于操作，并包括一套完整的数据收集和分析用户友好的软件工具。逼近Gaussian和Sech2线性的也可以。光学机械组件由参考脉冲的额外延迟光学箱和机械套件组成。
采集和分析软件与Windows XP*兼容，USB驱动程序都包括在内。
应用：
● 飞秒和皮秒OPA脉冲持续时间和附近测量对比
技术参数：
| 型号 | IRA-VISIR | IRA-MIR |
Full possible input wavelength range* | 450-2000 nm | 2-11 um |
Subranges* | VIS: 450-700 nm NIR1: 700-1300 nm NIR2: 1300-2000 nm | MIR1: 2-5 um MIR2: 5-11 um |
Input pulse duration range | 50 fs - 250 ps | |
Required input pulse energy** | >1 nJ at 50 fs - 1 ps (w. thin NL crystals) >3 nJ at 1-250 ps (w. thick NL crystals) | >5 nJ at 50 fs - 1 ps (w. thin NL crystals) >100 nJ at 1-250 ps (w. thick NL crystals) |
Maximum input average power | 1W | |
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 m | |
| * - 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; ** - typical values, depends on input pulse duration and wavelength. | ||
