Linear and nonlinear optical properties of KDP crystals with incorporated Al2O3•nH2O nanoparticles

被引：20
|
作者：
Pritula, I. M. [1 ]
Kosinova, A. V. [1 ]
Bezkrovnaya, O. N. [1 ]
Kolybaeva, M. I. [1 ]
Puzikov, V. M. [1 ]
Lopin, A. V. [1 ]
Tkachenko, V. F. [1 ]
Kopylovsky, M. A. [2 ]
Yatsyna, V. O. [2 ]
Gayvoronsky, V. Ya. [2 ]
机构：
[1] SSI Inst Single Crystals NASU, UA-61001 Kharkov, Ukraine
[2] Inst Phys NASU, UA-03680 Kiev, Ukraine
来源：
OPTICAL MATERIALS | 2013年 / 35卷 / 12期
关键词：
Crystal growth; Nonlinear optical crystals; Nanoparticles; Transmittance; Self-action of laser pulses; KH2PO4; CRYSTALS; ALUMINUM OXYHYDROXIDE; THERMAL-TREATMENT; ABSORPTION; IMPURITIES; GROWTH; KD2PO4;
D O I：
10.1016/j.optmat.2013.06.046
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Optical and nonlinear optical properties of a novel composite system based on KDP single crystals with embedded nanoparticles of nanostructured oxyhydroxide of aluminum (Al2O3 center dot nH(2)O, NOA), were studied. MOP crystals with NOA nanoparticles (KDP:NOA) possess high optical quality and homogeneity. Optical spectroscopy showed the presence of an absorption band at 270 nm caused by NOA nanoparticles incorporated in the KDP matrix. There was observed an enhancement of nonlinear refractive index and inversion of its sign in KDP:NOA crystals in comparison with nominally pure MOP crystals under excitation of picosecond laser pulses. The obtained results demonstrate that KDP:NOA is a promising composite material for optoelectronics and nonlinear optics. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：2429 / 2434
页数：6
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