Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) Microscopic image of the rapid flow around the micro bubble induced by the photothermal conversion. The cross mark shows the laser position, the small black dots are the polystyrene (PS) spheres, and the big black circle is the micro bubble with the diameter of around 65 µm. Scale bar: 50 µm. (b) Sketch of the flow around the bubble. Reprinted with permission from [135]. Copyright 2015, AIP Publishing LLC.
