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Fig. 1 | Applied Physics A

Fig. 1

From: Direct laser micro-drilling of high-quality photonic nanojet achieved by optical fiber probe with microcone-shaped tip

Fig. 1

(a) Schematic illustration of direct laser micro-drilling of high-quality photonic nanojet by the microcone-shaped optical fiber tip. (b) Geometrical definition of the microcone-shaped fiber tip. (c) Optical microscope and (d) scanning electron microscope images of the optical fiber probe with microcone-shaped tip. (e) Schematics of the developed optical setup. (f) Experimental configuration for direct laser micro-drilling by the microcone-shaped optical fiber tip

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