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.
Gamma functions, i.e., digital intensity count versus normalized power (photon number), for each RGB channel of the GoPro camera: (a) red channel, measured with a 635 nm laser; (b) green channel, measured with a 520 nm laser; (c) blue channel, measured with a 405 nm laser. Max intensity at 255 Digital counts is indicated with a dashed point.
