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) Lateral resolution test on a sharp edge. ESF, edge spread function; LSF, line spread function. (B) Test of penetration depth by imaging a needle obliquely inserted into biological tissue. (C) In vivo maximum amplitude projection (MAP) image of mouse ear vasculature. (D) Close-up of the region enclosed by the dashed box in (C); arrows denote capillaries. NPA, normalized photoacoustic amplitude.
