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二次谐波产生器
特点:
转换效率高
走离角小
光束发散角小
不发热
二次谐波产生器(SHG)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。
ASG-O(for oscillators) | ASG-A(for amplifiers) | |
Possible input wavelength range* | 720-1600 nm | |
Input wavelength tuning range** | 50-100 nm | |
Output wavelength*** | 360-800 nm | |
Input pulse duration | >20 fs | |
Input polarization | linear, horizontal | |
Output polarization | linear, vertical | |
Input average power | 0.1-3 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% | 30-50% |
Pulse broadening | <100 fs | |
Dimensions | 280x140x190 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. |
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