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) Results of the green filter characterized via spectrometry. The green filter is centered at 542 nm with relative transmittance of 62%. (b) Results of the blue filter characterized via spectrometry. The blue filter is centered at 414 nm with relative transmittance of 33%.
