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用短谐振腔结构优化THz电磁波参量振荡器的输出特性
引用本文:张显斌,施卫. 用短谐振腔结构优化THz电磁波参量振荡器的输出特性[J]. 物理学报, 2006, 55(10): 5237-5241
作者姓名:张显斌  施卫
作者单位:西安理工大学应用物理系,西安 710048
基金项目:国家自然科学基金;陕西省教育厅资助项目
摘    要:以MgO:LiNbO3为非线性光学介质,通过采用一种高性能腔反射镜实现了一种85mm短腔长的法布里-珀罗式的光学参量振荡器,产生THz电磁波的实验结果.这种短腔长THz参量振荡器比传统的160mm腔长的振荡阈值降低了22.3%;峰值能量提高了170%;频率调谐范围从0.5—2.4THz提高到0.8—3.1THz.还报道了一种基于平面金属丝网的法布里-珀罗干涉仪测量THz波线宽的实验结果.关键词:THz电磁波OPO非线性光学3')" href="#">LiNbO3

关 键 词:THz电磁波  OPO  非线性光学  LiNbO3
收稿时间:2005-07-19
修稿时间:2005-07-192006-03-27

Optimize the output performance by shortening the cavity length of the THz electromagnetic wave parametric oscillator
Zhang Xian-Bin,Shi Wei. Optimize the output performance by shortening the cavity length of the THz electromagnetic wave parametric oscillator[J]. Acta Physica Sinica, 2006, 55(10): 5237-5241
Authors:Zhang Xian-Bin  Shi Wei
Abstract:We realized a 85mm short cavity Fabry-Perot optical parametric oscillator by using high performance reflection mirror, and the experimental results of the THz wave output with this 85mm short cavity parametric oscillator based on the MgO:LiNbO3 Crystal are reported. Compared with the conventional 160mm parametric oscillator, the threshold decreases by 22.3%, the peak energy output of THz wave increases by 170%, the frequency tuning range increases from 0.5—2.4THz to 0.8—3.0THz. The THz wave linewidth was measured by using a Fabry-Perot interferometer based on the metal mesh plate.
Keywords:OPO  LiNbO3
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