Dynamic Aperture of Near-Field Super Resolution Structures
- 1 February 2000
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 39 (2S) , 982-983
- https://doi.org/10.1143/jjap.39.982
Abstract
Direct experimental observation of the near-field aperture formed in the super resolution near-field structure of glass/SiN(170 nm)/Sb(15 nm)/SiN(20 nm) has been achieved using a tapping-mode tuning-fork near-field scanning optical microscope. Both propagating and evanescent field intensities were found at the focused spots of the surface of the super resolution structure. Images of the near-field intensity gradients at different excited laser powers (0.45–2.33 µW) demonstrated that the area of the static evanescent intensity could be stably controlled.Keywords
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