期刊文献+

高功率腔内双共振2μm光参量振荡器特性研究 被引量:4

High power 2-μm intracavity doubly resonant optical parametric oscillator
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摘要 报道了一种稳定的高功率双共振2μm光参量振荡器(OPO).该OPO使用调Q的线偏振全固态Nd∶YAG激光器作为抽运源,利用双棒串接补偿热致双折射和双Q开关正交放置技术提高了抽运源的输出功率和光束质量,通过腔内抽运单块KTP晶体实现了稳定的高功率2μm激光输出.在调Q频率为5kHz时,得到了29.5W的2μm激光输出.研究了OPO输出功率同KTP晶体温度和声光Q调制频率的关系,并测量了在29W时2μm激光的功率稳定性.在1h内该OPO的功率起伏小于1.4%. A high power intracavity optical parametric oscillator (OPO) with a type Ⅱ KTiOPO4(KTP) is reported. The OPO is placed in a high power,linearly polarized diode-side-pumped Nd∶YAG laser cavity. By a suitable design of the OPO cavity,a maximum of 29.5 W at 2μm is reached with repetition rate of 5kHz. The output power characteristic of OPO is investigated. The fluctuation of OPO output power in less than 1.4%.
出处 《物理学报》 SCIE EI CAS CSCD 北大核心 2009年第3期1715-1718,共4页 Acta Physica Sinica
关键词 光参量振荡器 2μm激光器 KTP晶体 双共振 OPO,2μm laser,KTP crystal,DRO
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参考文献9

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共引文献27

同被引文献20

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