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, The image of the beam waist (dark blue) is slightly rotated in the X-Y plane relative to camera chip (grey, bottom). b, After a slight rotation of the camera chip, the beam waist is correctly aligned with the pixel grid of the camera.
