Photostable single KTiOPO4 nanocrystals for second-harmonic generation microscopy

被引：0
|
作者：
Le Xuan, L. [1 ]
Zhou, C. [1 ]
Slablab, A. [1 ]
Chauvat, D. [1 ]
Sandeau, N. [1 ]
Brasselet, S. [1 ]
Roch, J. -F. [1 ]
Tard, C. [2 ]
Perruchas, S. [2 ]
Gacoin, T. [2 ]
Villeval, P. [3 ]
机构：
[1] ENS Cachan, CNRS, UMR 8537, Lab Photon Quant & Mol, 61 Av President Wilson, F-94235 Cachan, France
[2] Ecole Polytech, UMR CNRS 7643, Lab Phys Mat Condensee, F-91128 Palaiseau, France
[3] Cristal Laser SA, F-54850 Messein, France
来源：
2007 IEEE/LEOS INTERNATIONAL CONFERENCE ON OPTICAL MEMS AND NANOPHOTONICS | 2007年
关键词：
nanocrystal; second harmonic generation; nonlinear microscopy;
D O I：
10.1109/OMEMS.2007.4373829
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The finding of nonlinear nanometric-sized probes is of key importance for the development of nonlinear microscopy in nanosciences and biology. We isolate nonlinear KTiOPO4 nanocrystals with remarkable photostability in second-harmonic generation under femtosecond infrared laser light excitation. Their size distribution is determined using dynamic light scattering and atomic force microscopy. With both polarization analysis and defocused imaging of the emitted second-harmonic field, we also extract the Euler angles of the crystalline axes of a single nanocrystal. These sub-wavelength particles can find application as near-field vectorial probes.
引用
收藏
页码：39 / +
页数：2
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