Study on mid-IR NLO crystals CsGe(BrxCl1-x)(3)

標題:	Study on mid-IR NLO crystals CsGe(BrxCl1-x)(3)
作者:	Lin, Zhi-Guang Tang, Li-Chuan Chou, Chang-Pin 機械工程學系 Department of Mechanical Engineering
關鍵字:	solid solutions;halides;nonlinear optic materials;noncentrosymmetric;second-harmonic generation
公開日期:	1-九月-2008
摘要:	An innovative infrared nonlinear optical crystal CsGe(BrxCl1-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 CsGeBr3 showed that its nonlinear optical efficiency is 9.64 times larger than that of rhombohedral CsGeCl3 and is 28.28 times larger than that of KH2PO4 (KDP), and most important of all, that CsGe(BrxCl1-x)(3) is phase-matchable. The infrarted transparent spectrum of rhombohedral CsGe(BrxCl1-x)(3) was extended to more than 30 mu m. The rhombohedral CsGe(BrxCl1-x)(3) shows the potential in the realm of nonlinear optics and can be applied to the infrared region. (c) 2008 Elsevier B.V. All rights reserved.
URI:	http://dx.doi.org/10.1016/j.optmat.2008.01.004 http://hdl.handle.net/11536/8430
ISSN:	0925-3467
DOI:	10.1016/j.optmat.2008.01.004
期刊:	OPTICAL MATERIALS
Volume:	31
Issue:	1
起始頁:	28
結束頁:	34
顯示於類別：	期刊論文

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