Study on mid-IR NLO crystals CsGe(Br_xCl_(1-x))_3

Zhi-Guang Lin; Li-Chuan Tang; Chang-Pin Chou

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Study on mid-IR NLO crystals CsGe(Br_xCl_(1-x))_3

机译：中红外NLO晶体CsGe（Br_xCl_（1-x））_ 3的研究

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An innovative infrared nonlinear optical crystal CsGe(Br_xCl_(1-x))_3 was synthesized. From its powder X-ray diffraction pattern, this crystal was characterized as a rhombohedral structure with a (R3m, No. 160) space group symmetry. The powder second-harmonic generation (PSHG) measurement of CsGeBr_3 showed that its nonlinear optical efficiency is 9.64 times larger than that of rhombohedral CsGeCl_3 and is 28.29 times larger than that of KH_2PO_4 (KDP), and most important of all, that CsGe(Br_xCl_(1-x))_3 is phase-matchable. The infrared transparent spectrum of rhombohedral CsGe(Br_xCl_(1-x))_3 was extended to more than 30 μm. The rhombohedral CsGe(Br_xCl_(1-x))_3 shows the potential in the realm of nonlinear optics and can be applied to the infrared region.

机译：合成了一种创新的红外非线性光学晶体CsGe（Br_xCl_（1-x））_ 3。根据其粉末X射线衍射图，该晶体被表征为具有（R3m，编号160）空间群对称的菱形结构。 CsGeBr_3的粉末二次谐波生成（PSHG）测量表明，其非线性光学效率是菱形CsGeCl_3的9.64倍，是KH_2PO_4（KDP）的28.29倍，最重要的是CsGe（Br_xCl_ （1-x））_ 3是相位匹配的。菱形CsGe（Br_xCl_（1-x））_ 3的红外透明光谱扩展到30μm以上。菱形CsGe（Br_xCl_（1-x））_ 3显示了非线性光学领域中的潜力，可以应用于红外区域。

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来源
《Optical Materials》 |2008年第1期|p.28-34|共7页
作者
Zhi-Guang Lin; Li-Chuan Tang; Chang-Pin Chou;
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作者单位

Department of Mechanical Engineering National Chiao Tung University Hsinchu 305 Taiwan ROC;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类工程材料学;
关键词
solid solutions; halides; nonlinear optic materials; noncentrosymmetric; second-harmonic generation;

机译：固溶体;卤化物非线性光学材料非中心对称次谐波产生;

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Study on mid-IR NLO crystals CsGe(Br_xCl_(1-x))_3

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