Figure 12.
Simple interrogation set up: a broadband optical source is connected to a circulator to feed the FBG, while the FBG reflected beam is redirected to a conventional optical spectrum analyser (OSA) through a circulator.
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.