利用负曲率反谐振中空芯光纤进行气体检测的可调谐二极管激光吸收光谱技术

IF 2.2 3区物理与天体物理 Q2 OPTICS

Optics Communications Pub Date : 2024-11-05 DOI:10.1016/j.optcom.2024.131278

Kaiyu Chai, Bo Hu, Zheng Fu, Yukang Li, Kaili Ren, Dongdong Han, Lipeng Zhu, Lei Liang, Yipeng Zheng

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引用次数: 0

摘要

本研究提出了一种基于可调谐二极管激光吸收光谱的近红外全光纤气体传感技术。该技术采用负曲率反谐振中空芯光纤作为气室和光通道，并配置了光气耦合微型三通。结果表明该方法具有很强的长期稳定性，12 小时内的相对标准偏差约为 2.1%。这种方法展示了一种简单、坚固、快速响应和紧凑的传感器配置，有助于更好地管理温室气体排放和环境污染。

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Tunable diode laser absorption spectroscopy for gas detection with a negative curvature anti-resonant hollow-core fiber

In this study, an all-fiber gas sensing technology was proposed, which is based on tunable diode laser absorption spectroscopy in the near infrared. A negative curvature anti-resonant hollow-core fiber was used as the gas chamber and optical channel, and an opto-gas coupling miniature tee was used in the configuration. Down to ppb (parts-per-billion) level noise-equivalent concentration was achieved with a fast-response capability of less than 6 s. The results demonstrated strong long-term stability, with a relative standard deviation of approximately 2.1% over a 12-h period. This approach demonstrates a simple, robust, fast response and compact sensor configuration that contributes to better management of greenhouse gas emissions and environmental pollution.

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来源期刊

Optics Communications 物理-光学

CiteScore

5.10

自引率

8.30%

发文量

681

审稿时长

38 days

期刊介绍： Optics Communications invites original and timely contributions containing new results in various fields of optics and photonics. The journal considers theoretical and experimental research in areas ranging from the fundamental properties of light to technological applications. Topics covered include classical and quantum optics, optical physics and light-matter interactions, lasers, imaging, guided-wave optics and optical information processing. Manuscripts should offer clear evidence of novelty and significance. Papers concentrating on mathematical and computational issues, with limited connection to optics, are not suitable for publication in the Journal. Similarly, small technical advances, or papers concerned only with engineering applications or issues of materials science fall outside the journal scope.