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Schematic diagram of NSOM setup, modified for IR ablation (a) IR fiber tip, attached to the tuning fork, scale bar: 1 mm. (b) SEM image of an IR fiber tip etched using modified tube etching technique; scale bar: 200 μm.
3D Topographic image of a plastic cover slip in water (a) before and (b) after near-field ablation. (c) Profile of the crater, whose size is 1.25 μm, as measured by the full-width at half maximum (FWHM) of the profile; scalebar: 2 μm.
Topographic image of myoblast cells in media (a) before ablation. (b) after ablation. (c) Profile of the crater, whose size is 2.5 μm as measured by the full-width at half maximum (FWHM) of the profile; scalebar: 10 μm.
Results of ablation threshold studies on cellulose acetate and myoblast cells in far-field (ff) and near-field (nf) regime. Each of these has been reproduced at least five times. The laser wavelength is 2940 nm, and the pulse width is 5 ns.
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