Optical near-field effects in surface nanostructuring and laser cleaning
Open Access
- 19 February 2002
- proceedings article
- Published by SPIE-Intl Soc Optical Eng
- Vol. 4426, 180-183
- https://doi.org/10.1117/12.456827
Abstract
We present a method for directly imaging the undisturbed near field of a particle resting on a surface. A comparison with numerical computations shows good agreement with the results of our experiments. These results have important consequences for laser-assisted particle removal where field enhancement may cause local surface damage and is one of the physical key processes in this cleaning method. On the other hand, the application of near fields at particles allows structuring of surfaces with structure dimensions in the order of 100 nm and even below.Keywords
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