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.
DNI measurements obtained by the commercial pyrheliometer (black line) and the proposed radiometer (red line) with a Thorlabs FG105LVA multimode fiber: (a) DNI measurements for a sunny day; absolute (b) and relative (c) deviations between the DNI measurements provided by the proposed instrument and the commercial pyrheliometer. Green line in (a) represents the raw solar irradiance before applying the correction factor.
