Two-photon luminescence imaging by scanning near-field optical microscopy for characterization of gold nanoparticles

被引：5
|
作者：
Yashunin, D. A. [1 ]
Ilin, N. V. [1 ]
Stepanov, A. N. [1 ,2 ]
Smirnov, A. I. [1 ,2 ]
机构：
[1] Russian Acad Sci, Inst Appl Phys, Nizhnii Novgorod 603950, Russia
[2] Univ Nizhny Novgorod, Radiophys Dept, Nizhnii Novgorod 603950, Russia
来源：
JOURNAL OF PHYSICS D-APPLIED PHYSICS | 2014年 / 47卷 / 30期
关键词：
two-photon luminescence; femtosecond laser radiation; metal nanoparticles;
D O I：
10.1088/0022-3727/47/30/305102
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Spatial distribution of a two-photon luminescence signal when gold nanoparticles on the surface are scanned by the tip of an atomic force microscope irradiated by femtosecond laser radiation was studied in an experiment. Comparison of the experimental data with the results of numerical simulation of two-photon luminescence based on a finite-difference time-domain calculation of electric field distribution in the nanoparticle-tip system can give information on the shape and orientation of the nanoparticles.
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页数：7
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