Sub parts-per-billion detection of ethane in a 30-meters long mid-IR Antiresonant Hollow-Core Fiber

Jaworski, Piotr; Krzempek, Karol; Kozioł, Paweł; Wu, Dakun; Yu, Fei; Bojęś, Piotr; Dudzik, Grzegorz; Liao, Meisong; Knight, Jonathan C.; Abramski, Krzysztof M.

doi:10.1016/j.optlastec.2021.107638

Cited by 18 publications

(6 citation statements)

References 44 publications

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“…Both spectral ranges are easily accessible with highly powerful semiconductor lasers. For this reason, IR optical sensors have been widely employed in ground detection and remote sensing applications to detect hydrocarbon traces, with concentrations in the range of part-per-million (ppm) and part-per-billion (ppb), or even below [16] , [17] . Advances in optical sensing techniques focused on the detection of trace gas concentrations, while the high concentration range was barely explored.…”

Section: Introductionmentioning

confidence: 99%

High-concentration methane and ethane QEPAS detection employing partial least squares regression to filter out energy relaxation dependence on gas matrix composition

et al. 2022

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Section: Introductionmentioning

confidence: 99%

High-concentration methane and ethane QEPAS detection employing partial least squares regression to filter out energy relaxation dependence on gas matrix composition

et al. 2022

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“…It is a special type of hollow-core fiber, characterized by a wide achievable transmission spectrum (even above 5 μm [ 10 , 18 ]) with quasi single-mode transmission [ 19 ] and large air-cores, which simplify the gas exchange process. The above-mentioned advantages attracted researchers worldwide, who experimentally confirmed the usefulness of the ARHCFs in the development of highly sensitive gas detectors based on various configurations and spectroscopic techniques [ 20 , 21 , 22 ]. The results show that, with proper design, sensors can achieve excellent sensitivity, mitigating the use of troublesome MPCs [ 22 ].…”

Section: Introductionmentioning

confidence: 99%

“…The above-mentioned advantages attracted researchers worldwide, who experimentally confirmed the usefulness of the ARHCFs in the development of highly sensitive gas detectors based on various configurations and spectroscopic techniques [ 20 , 21 , 22 ]. The results show that, with proper design, sensors can achieve excellent sensitivity, mitigating the use of troublesome MPCs [ 22 ]. However, all the above-mentioned gas sensors require a low-noise detector to convert the spectroscopic signal encoded to the optical wave to the electrical signal interpretable by laboratory apparatus, e.g., lock-in amplifiers.…”

Section: Introductionmentioning

confidence: 99%

Quartz-Enhanced Photothermal Spectroscopy-Based Methane Detection in an Anti-Resonant Hollow-Core Fiber

Bojęś

Pokryszka

Jaworski

et al. 2022

Sensors

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In this paper, the combination of using an anti-resonant hollow-core fiber (ARHCF), working as a gas absorption cell, and an inexpensive, commercially available watch quartz tuning fork (QTF), acting as a detector in the quartz-enhanced photothermal spectroscopy (QEPTS) sensor configuration is demonstrated. The proof-of-concept experiment involved the detection of methane (CH4) at 1651 nm (6057 cm−1). The advantage of the high QTF Q-factor combined with a specially designed low-noise amplifier and additional wavelength modulation spectroscopy with the second harmonic (2f-WMS) method of signal analysis, resulted in achieving a normalized noise-equivalent absorption (NNEA) at the level of 1.34 × 10−10 and 2.04 × 10−11 W cm−1 Hz−1/2 for 1 and 100 s of integration time, respectively. Results obtained in that relatively non-complex sensor setup show great potential for further development of cost-optimized and miniaturized gas detectors, taking advantage of the combination of ARHCF-based absorption cells and QTF-aided spectroscopic signal retrieval methods.

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“…The transmission loss of ARHCF fibres now approaches record low-levels for near and MIR transmission. This long interaction length opens the possibility of reaching ppt detection levels of trace gasses in a compact form [ 86 ].…”

Section: Mid-infrared Sensingmentioning

confidence: 99%

Roadmap on optical sensors

Ferreira,

Brambilla,

Thévenaz

et al. 2023

J. Opt.

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Optical sensors and sensing technologies are playing a more and more important role in our modern world. From micro-probes to large devices used in such diverse areas like medical diagnosis, defence, monitoring of industrial and environmental conditions, optics can be used in a variety of ways to achieve compact, low cost, stand-off sensing with extreme sensitivity and selectivity. Actually, the challenges to the design and functioning of an optical sensor for a particular application requires intimate knowledge of the optical, material, and environmental properties that can affect its performance. This roadmap on optical sensors addresses different technologies and application areas. It is constituted by twelve contributions authored by world-leading experts, providing insight into the current state-of-the-art and the challenges their respective fields face. Two articles address the area of optical fibre sensors, encompassing both conventional and specialty optical fibres. Several other articles are dedicated to laser-based sensors, micro- and nano-engineered sensors, whispering-gallery mode and plasmonic sensors. The use of optical sensors in chemical, biological and biomedical areas is discussed in some other papers. Different approaches required to satisfy applications at visible, infrared and THz spectral regions are also discussed.

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Sub parts-per-billion detection of ethane in a 30-meters long mid-IR Antiresonant Hollow-Core Fiber

Cited by 18 publications

References 44 publications

High-concentration methane and ethane QEPAS detection employing partial least squares regression to filter out energy relaxation dependence on gas matrix composition

High-concentration methane and ethane QEPAS detection employing partial least squares regression to filter out energy relaxation dependence on gas matrix composition

Quartz-Enhanced Photothermal Spectroscopy-Based Methane Detection in an Anti-Resonant Hollow-Core Fiber

Roadmap on optical sensors

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