相位匹配
激光器
光学参量振荡器
光学
材料科学
折射率
非线性光学
和频产生
变频调速
相(物质)
二次谐波产生
分析化学(期刊)
物理
化学
电气工程
工程类
量子力学
色谱法
作者
Kiyoshi Katō,Nobuhiro Umemura,Takayuki Okamoto,Kentaro Miyata
摘要
We present updated Sellmeier equations for β-BaB2O4 based on measurements of the phase-matching angles for second-harmonic (SHG) and sum-frequency generation (SFG) of a Nd:YAG laser-pumped 90° phase-matched RbTiOAsO4 optical parametric oscillator (OPO) and a Nd:YAG laser in the 0.6407 - 3.1392 μm range. The phase-matching angles predicted by this index formula agree well with the recently published data points of SFG between a Ti:Al2O3 laser and Nd:YAG laser-pumped KTiOAsO4 OPO in the 0.40 -5.3 μm range {G. Tamosauskas et al., Opt. Mater. Express 8, 1410 (2018)] as wellas those for SFG below 0.2048 μm thus far reported in the literature.
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