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.
Acronyms and descriptions for the optical quality metrics.
| Acronym | Description |
|---|---|
| PFWc | Pupil fraction for wavefront when critical pupil is defined as the concentric area for RMSw < criterion (λ/4) |
| PFSc | Pupil fraction for slope when critical pupil is defined as the concentric area for RMSs < criterion (1 arcmin) |
| PFCc | Pupil fraction for curvature when critical pupil is defined as the concentric area for Bave < criterion (0.25 D) |
| NS | Neural sharpness |
| VSMTF | Visual Strehl ratio for MTF |
