IRA自相關(guān)儀是專門為測量超快放大器和振蕩器產(chǎn)生的超快輻射脈沖寬度和近對比度而開發(fā)的。還有一種特殊的IRA系統(tǒng)模型，適用于中紅外激光源。IRA包括光學機械組件和電子設(shè)備與USB接口。系統(tǒng)易于操作，并包括一套完整的數(shù)據(jù)收集和分析用戶友好的軟件工具。逼近Gaussian和Sech2線性的也可以。光學機械組件由參考脈沖的額外延遲光學箱和機械套件組成。
采集和分析軟件與Windows XP兼容，USB驅(qū)動程序都包括在內(nèi)。
應用：
● 飛秒和皮秒OPA脈沖持續(xù)時間和附近測量對比
技術(shù)參數(shù)：
| 型號 | 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. | ||
