An official website of the United States government
Here's how you know
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.
Simulated MTFs for 5.0 mm pupil, 5.0 mm pupil with negative spherical aberration (−0.274 µm), and 2.0 mm pupil (AO = adaptive optics). The x-axis represents spatial frequencies. The y-axis represents modulation for given spatial frequencies.