Antiresonant hollow-core fiber-assisted mid-IR hydrocarbons gas sensor

Piotr Jaworski; Karol Krzempek; Pawel Kozioł; Grzegorz Dudzik; Dakun Wu; Fei Yu; Meisong Liao; Krzysztof Abramski

doi:10.1117/12.2594488

1 August 2021 Antiresonant hollow-core fiber-assisted mid-IR hydrocarbons gas sensor

Piotr Jaworski, Karol Krzempek, Pawel Kozioł, Grzegorz Dudzik, Dakun Wu, Fei Yu, Meisong Liao, Krzysztof Abramski

Proceedings Volume 11826, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XV; 118260I (2021) https://doi.org/10.1117/12.2594488
Event: SPIE Optical Engineering + Applications, 2021, San Diego, California, United States

Conference Poster

Abstract

In this work, we present simultaneous and sensitive detection of methane and ethane at ~3.34 µm using a 15-meteres long self-fabricated silica ARHCF and Wavelength Modulation Spectroscopy technique. The ARHCF was filled with a mixture of 10 ppmv and 20 ppmv ethane and methane, respectively via air-tight housings placed at both fiber end-facets. The gas molecules were excited using a self-built continuous wave Difference Frequency Generation source which radiation was coupled into the gas-filled ARHCF. The ARHCF-aided gas sensor reached a minimum detection limit at parts-per-billion by volume level, confirming the suitability of the proposed approach for trace-gas sensing.

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Piotr Jaworski, Karol Krzempek, Pawel Kozioł, Grzegorz Dudzik, Dakun Wu, Fei Yu, Meisong Liao, and Krzysztof Abramski "Antiresonant hollow-core fiber-assisted mid-IR hydrocarbons gas sensor", Proc. SPIE 11826, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XV, 118260I (1 August 2021); https://doi.org/10.1117/12.2594488

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