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) PA signal amplitudes from QDs as a function of laser fluence after one pulse. (b) PA signal amplitude from QDs as function of laser pulse number at various laser fluences: 12.4 (filled blue diamond), 6.2 J/cm2 (filled yellow square), 4.0 J/cm2 ((filled red triangle) and 1.2 J/cm2 (filled green circles). Laser wavelength was 560 nm.
