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俄羅斯樣本
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二次諧波產(chǎn)生器
特點(diǎn):
轉(zhuǎn)換效率高
走離角小
光束發(fā)散角小
不發(fā)熱
二次諧波產(chǎn)生器(SHG)用于將各種超快激光源產(chǎn)生的廣泛輸入波長的光頻率加倍。來源可能是鈦-藍(lán)寶石飛秒激光器(Ti:S, 700- 1000nm),波長范圍在1030-1064 nm的各種超快固態(tài)和光纖激光器,鉻-forsterite振蕩器(Cr:F, 1230-1270 nm),以及其他超短脈沖源,包括參數(shù)光轉(zhuǎn)換系統(tǒng)。該操作的原理是基于二次諧波產(chǎn)生的非線性相位匹配技術(shù)。該單元提供穩(wěn)定的輸出輻射,具有良好的光束質(zhì)量和很小的脈沖展寬。
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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