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Schematic of the experimental setup.
(a) Experimental extinction spectrum of gold nanorods indicates the longitudinal localized resonance at 808 nm. (b) The growing time of the bubble as a function of the bubble radius at 14 mW power.
(a) Optical image of the TOF decorated with gold nanorods on the designated region indicated by the red dashed circle; the inset shows a SEM image of gold nanorods deposited on the surface of the TOF. (b) A sketch indicating Marangoni convection and movement of microparticles around the bubble. (c) Optical image showing microparticle aggregation on the targeted site of the TOF with laser turned off.
Bubble radius versus input optical power; blue arrows point to insets showing bubble images at the corresponding input power.
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