Author:
Vidal-Moreno Pedro J.,Fernández-Ruiz María R.,Martins Hugo,Martin-Lopez Sonia,Gonzalez-Herraez Miguel
Abstract
We present a coherent multifrequency demodulation CP-ΦOTDR system that allows the use of wide filters in detection instead of narrow and tunable filters. Additionally, this opens the door to the use of linear decoding techniques.