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    二次和三次谐波产生器

    二次谐波和三次谐波产生器(SH和TH)用于将各种超快激光源产生的广泛输入波长的光频率加倍。来源可能是钛-蓝宝石飞秒激光器(Ti:S, 700- 1000nm),波长范围在1030-1064 nm的各种超快固态和光纤激光器,铬-forsterite振荡器(Cr:F, 1230-1270 nm),以及其他超短脉冲源,包括参数光转换系统。该操作的原理是基于二次谐波产生的非线性相位匹配技术。该单元提供稳定的输出辐射,具有良好的光束质量和很小的脉冲展宽。

    ATsG-O(for oscillators)

    ATsG-A(for amplifiers)

    Possible input wavelength range*

    750-1600 nm

    Input wavelength tuning range**

    50-100 nm

    Output wavelengths***

    375-800 nm (SH)

    250-533 nm (TH)

    Input pulse duration

    >20 fs

    Input polarization

    linear, horizontal

    Input average power

    0.3-3 W

    <10 W

    Input pulse energy

    <2 uJ

    2 uJ - 10 mJ

    Input beam dia at level of 1/е^2

    <2 mm

    <10 mm

    Conversion efficiency****

    20-50% (SH)

    3-8% (TH)

    30-50% (SH)

    8-15% (TH)

    Pulse broadening

    <100 fs (SH)

    <200 fs (TH)

    <100 fs (SH)

    <180 fs (TH)

    Output polarization

    SH - linear, vertical;

    ТГ - linear, horizontal

    Dimensions

    480x222x192 mm

    * - may be covered by several exchangeable optics sets, please indicate the desired wavelength range upon your request;

    ** - typical with one optics set, depends on exact central wavelength and pulse duration;

    *** - defined by input wavelength;

    **** - defined by input pulse energy and input pulse duration.