Author:
Guo Linhao,Zhao Pengcheng,Jiang Shoulin,Bao Haihong,Gao Shoufei,Wang Yingying,Ho Hoi Lut,Jin Wei
Abstract
We report a high-sensitivity hollow-core fiber photothermal acetylene/methane gas sensor with a reduced pump-probe configuration, which alternately uses two distributed feedback lasers as pump and probe beams via time-division multiplexing.