Abstract
A tapping-mode tuning fork force-sensing method for near-field scanning optical microscope is reported. Use of the tapping-mode tuning fork with mechanically asymmetric excitation generates better stability and sensitivity than in the shear force mode. Comparison of force curves for the two methods demonstrate that the tapping-mode tuning fork method provides a simpler and more sensitive method for near-field measurements. The method is demonstrated by imaging a sample consisting of 500 nm standard polystyrene spheres on silica in both air and water. © 1998 American Institute of Physics.
| Original language | English |
|---|---|
| Pages (from-to) | 2724-2726 |
| Number of pages | 3 |
| Journal | Applied Physics Letters |
| Volume | 73 |
| Issue number | 19 |
| DOIs | |
| Publication status | Published - 1 Dec 1998 |
| Externally published | Yes |
ASJC Scopus subject areas
- Physics and Astronomy (miscellaneous)