Antiresonant hollow core fiber-based photothermal gas sensor of nitric oxide at 5.26 µm

Karol Krzempek; Pawel Kozioł; Piotr Jaworski; Grzegorz Dudzik; Walter Belardi

doi:10.1117/12.2594491

1 August 2021 Antiresonant hollow core fiber-based photothermal gas sensor of nitric oxide at 5.26 µm

Karol Krzempek, Pawel Kozioł, Piotr Jaworski, Grzegorz Dudzik, Walter Belardi

Proceedings Volume 11826, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XV; 118260J (2021) https://doi.org/10.1117/12.2594491
Event: SPIE Optical Engineering + Applications, 2021, San Diego, California, United States

Conference Poster

Abstract

Detection of Nitric Oxide at 5.26 µm is performed using photothermal interferometry and a 25 cm-long antiresonant hollow-core fiber as an absorption cell, reaching a minimum detection limit of 11 ppb for 144 seconds averaging. The proposed configuration shows the full potential of combining novel hollow-core fibers with the photothermal detection techniques, which allows separating the pump and the probe part of the sensor.

Citation Download Citation

Karol Krzempek, Pawel Kozioł, Piotr Jaworski, Grzegorz Dudzik, and Walter Belardi "Antiresonant hollow core fiber-based photothermal gas sensor of nitric oxide at 5.26 µm", Proc. SPIE 11826, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XV, 118260J (1 August 2021); https://doi.org/10.1117/12.2594491

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