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