Component and setup for insertion of gases in a hollow-core optical fiber sensor

Paula M. P. Gouvêa; Patrik Rugeland; Marcos S. P. Gomes; Walter Margulis

doi:10.1117/12.2191679

28 September 2015 Component and setup for insertion of gases in a hollow-core optical fiber sensor

Paula M. P. Gouvêa, Patrik Rugeland, Marcos S. P. Gomes, Walter Margulis

Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 96343D (2015) https://doi.org/10.1117/12.2191679
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil

Abstract

An optical fiber component and setup were developed to insert and remove gases from hollow-core optical fibers, allowing gas/light mixing over the length of the fiber for gas sensing applications. Transmitted signals acquired at the output of the fiber contain information regarding absorption occurring inside the fiber, providing a spectroscopic signature of the gas or gases in the fiber. Spectra for 1 atm of acetylene (C₂H₂) around 1525 nm and 1 atm of carbon dioxide (CO₂) around 1432 nm were obtained and compared to HITRAN data, showing good agreement. The setup can also be used to prepare gas cells.

Citation Download Citation

Paula M. P. Gouvêa, Patrik Rugeland, Marcos S. P. Gomes, and Walter Margulis "Component and setup for insertion of gases in a hollow-core optical fiber sensor", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96343D (28 September 2015); https://doi.org/10.1117/12.2191679

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