Galal, MalakZhang, LiYang, FanSebastian, SuneethaGao, ShoufeiWang, YingyingThévenaz, LucGalal, MalakZhang, LiYang, FanSebastian, SuneethaThévenaz, Luc2022-01-102022-01-102022-01-102021-11-01https://infoscience.epfl.ch/handle/20.500.14299/184364Spontaneous Brillouin scattering is measured for the first time in a hollow-core anti-resonant fibre (HC-ARF) filled with Nitrogen (N2) gas at different pressures. A Brillouin gain of 0.029 m^−1W^−1 is yielded at a pressure of 34.7 bar.text::conference output::conference presentation