Photopolymerization induced by optical field enhancement in the vicinity of a conducting tip under laser illumination

被引：23
|
作者：
Wurtz, G
Bachelot, R
H'Dhili, F
Royer, P
Triger, C
Ecoffet, C
Lougnot, DJ
机构：
[1] Univ Technol Troyes, Lab Nanotechnol & Instrumentat Opt, F-10010 Troyes, France
[2] Ecole Natl Super Chim Mulhouse, CNRS, UMR 7525, Dept Photochim Gen, F-68093 Mulhouse, France
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS | 2000年 / 39卷 / 2A期
关键词：
near-field optics; apertureless probe; field enhancement; metallic probe; scanning near-field optical microscopy (SNOM); radical photopolymerization; inhibiting effects of O-2; atomic force microscopy (AFM); tapping-mode;
D O I：
10.1143/JJAP.39.L98
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We introduce a method of local photopolymerization in the submicrometer scale. The source used is a metallic tip whose extremity presents a strong localized optical near-field enhancement (FE) when the tip is illuminated by a laser beam suitably polarized. The FE permits the polymerization threshold dose to be locally exceeded at the tip extremity while the threshold is not reached elsewhere. By this method the formation of micronic/nanometric polymer dots has been demonstrated. The preliminary results presented here validate experimentally the concept of the local optical source issued from a conducting tip.
引用
收藏
页码：L98 / L100
页数：3
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