Low Volume Gas Sensing using Hollow-core Fiber for Detection of Methane and Ammonia with Supercontinuum Source

Journal
CLEO: Applications and Technology, CLEO:A and T 2023
Date Issued
2023-01-01
Author(s)
Kumar, Saran K.
Vidhya, Esther Blesso Y.
Selvaraj, Ramya
DOI
Abstract
Hollow-core fiber b ased d etection o f C H4 a nd N H3 i s d emonstrated u sing a broadband supercontinuum laser source. The system provided a minimum detection limit of 0.49 % and 0.22 % for CH4 and NH3 in 1.6 µm and 2µm wavelength ranges, respectively.