Figure 9.
The OA z-scan measurements for the Au NP samples using different incident powers, which ranged from 0.8 to 1.6 W at a constant excitation wavelength of 800 nm: (a) a sample concentration of 4 mg/L; (b) a sample concentration of 8 mg/L.
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.