Author:
Buchfellner F.,Bian Q.,Moos F.,Nicolai J.,Zhang F.,Hu W.,Yang M.,Koch A.W.,Roths J.
Abstract
Intra-spectral referencing of the notch to the π-FBG envelope enables direct measurement and compensation of temperature within an FBG element. This enhances reliability and enables versatile real-field applications in H2 sensing and beyond.