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全固态皮秒THz波参量振荡器的优化设计

Optimization design of all solid state picosecond terahertz-wave parametric oscillators
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摘要 针对全固态皮秒THz波参量振荡器,设计了一种蝴蝶型腔结构.并采取优化设计MgO:LiNbO3(MgO:LN)晶体掺杂浓度、耦合输出方式和最佳晶体长度及提高THz波的转化效率等措施,实现全固态皮秒THz波参量振荡器的高性能运转.计算结果为全固态皮秒THz波参量振荡器基于MgO:LN晶体差频产生可调谐THz波辐射的实验研究提供进一步深入的理论基础. An external cavity is developed for terahertz-wave parametric oscillators pumped by all solid state picosecond lasers (ps-TPOs). To achieving the ps-TPOs high-powered operation, the doped concentration of the MgO: LN crystal, the focusing spot size in MgO: LN crystal, the length of the MgO: LN crystal and the optical-to-THz conversion efficiency are optimally designed and calculated. The calculated results can provide a comprehensive theoretical basis for the ps-TPOs using difference- frequency method to produce tunable terahertz-wave radiations in MgO: LN crystal.
出处 《北京交通大学学报》 CAS CSCD 北大核心 2012年第3期106-109,共4页 JOURNAL OF BEIJING JIAOTONG UNIVERSITY
基金 河南省科技厅基础与前沿技术研究项目资助(082300463202) 河南省教育厅自然科学研究计划资助项目(2010A140016)
关键词 THz波参量振荡器 差频 皮秒 MgO:LiNbO3晶体 terahertz-wave parametric oscillators difference-frequency picosecond MgO: LiNbO3 crystal
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参考文献18

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