FIG. 6.
(Color online) Photograph of the 256-element focused array, homogeneous phantom, and PVDF hydrophone used to measure the acoustic field behind the phantom in a water tank.
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.