Non-linear niobate nanocrystals for two-photon imaging

被引：20
|
作者：
Martin Rodriguez, E. [1 ]
Upendra Kumar, K. [2 ]
Speghini, A. [3 ,4 ]
Piccinelli, F. [3 ,4 ]
Nodari, L. [3 ,4 ]
Cannas, C. [5 ]
Bettinelli, M. [3 ,4 ]
Jaque, D. [1 ]
Sole, J. Garcia [1 ]
机构：
[1] Univ Autonoma Madrid, Dept Fis Mat, E-28049 Madrid, Spain
[2] Univ Guanajuato, Div Ciencias & Ingn, Col Lomas Del Campestre 37150, Leon Guanajuato, Mexico
[3] Univ Verona, Lab Chim Stato Solido, DB, Udr Verona, Italy
[4] INSTM, Udr Verona, Italy
[5] Univ Cagliari, Dipartimento Sci Chim, I-09042 Cagliari, Italy
来源：
OPTICAL MATERIALS | 2011年 / 33卷 / 03期
关键词：
STRONTIUM BARIUM NIOBATE; 2ND-HARMONIC GENERATION; CRYSTALS;
D O I：
10.1016/j.optmat.2010.09.009
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this work the infrared-to-visible second harmonic generation properties of powdered samples of three different niobate (Sr0.6Ba0.4Nb2O6, LiNbO3 and NaNbO3) nanocrystals were systematically investigated. Visible second harmonic radiation was obtained even for the smallest nanocrystals, of about 50 nm, in a broad spectral range of fundamental wave illumination (700-1200 nm). The influence of the host matrix, particle size and single phase on the infrared-to-visible second harmonic conversion efficiency was systematically analyzed. The results reported here open new perspectives for two-photon bioimaging by using non-linear nanocrystal probes as an alternative to the presently used fluorescent nanoprobes. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：258 / 266
页数：9
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