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.
Relationship between incident photonic power density and exposure time (seconds). Changes in the two components of laser–tissue interactions—power density (irradiance) and exposure time, may affect the interaction level. Original graphics: Parker S. Data source: Boulnois, J-L. Laser Med. Sci. 1986, (1), 47–66 [5].
