Author:
Mathew Neethu Mariam,Vandborg Mads Holmark,Christensen Jesper Bjerge,Wang Zepeng,Grüner-Nielsen Lars,Rishøj Lars Søgaard,Marx Benjamin,Allousch M. Ali,Geisler Tommy,Lassen Mikael,Rottwitt Karsten
Abstract
We demonstrate a Brillouin OTDR sensing range of 251 km using two sections of remotely pumped Erbium doped fiber amplifiers. The temperature shift is measured with an accuracy of 3.3
◦
C at 251 km.