Highly sensitive SO2 photoacoustic sensor for SF6decomposition detection using a compact mW-level diode-pumped solid-state laser emitting at 303 nm

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dc.citation.firstpage32581en_US
dc.citation.issueNumber26en_US
dc.citation.journalTitleOptics Expressen_US
dc.citation.lastpage32590en_US
dc.citation.volumeNumber25en_US
dc.contributor.authorYin, Xukunen_US
dc.contributor.authorDong, Leien_US
dc.contributor.authorWu, Hongpengen_US
dc.contributor.authorZheng, Huadanen_US
dc.contributor.authorMa, Weiguangen_US
dc.contributor.authorZhang, Leien_US
dc.contributor.authorYin, Wangbaoen_US
dc.contributor.authorXiao, Liantuanen_US
dc.contributor.authorJia, Suotangen_US
dc.contributor.authorTittel, Frank K.en_US
dc.date.accessioned2018-07-11T15:59:27Zen_US
dc.date.available2018-07-11T15:59:27Zen_US
dc.date.issued2017en_US
dc.description.abstractA compact ppb-level SO2 photoacoustic sensor was developed for the application of SF6decomposition detection in electric power systems. The selection of the SO2 target spectrum is discussed in detail in the infrared (IR) and ultraviolet (UV) spectral regions. Based on the result of the spectrum selection, a small-sized UV-band diode-pumped solid-state laser (DPSSL) emitting at 303.6 nm with an output power of 5 mW was developed. A differential photoacoustic cell (PAC) was designed to match the output optical beam, obtain a high Q-factor and reduce the system flow noise in the SF6 buffer gas. The performance of the sensor system was assessed in terms of gas flow rate, linearity and detection sensitivity. A SO2 detection limit (1σ) of 74 ppbv was achieved with a 1-s integration time, which corresponds to a normalized noise equivalent absorption (NNEA) coefficient of 1.15 × 10−9 cm−1WHz-1/2.en_US
dc.identifier.citationYin, Xukun, Dong, Lei, Wu, Hongpeng, et al.. "Highly sensitive SO2 photoacoustic sensor for SF6decomposition detection using a compact mW-level diode-pumped solid-state laser emitting at 303 nm." <i>Optics Express,</i> 25, no. 26 (2017) The Optical Society: 32581-32590. https://doi.org/10.1364/OE.25.032581.en_US
dc.identifier.doihttps://doi.org/10.1364/OE.25.032581en_US
dc.identifier.urihttps://hdl.handle.net/1911/102375en_US
dc.language.isoengen_US
dc.publisherThe Optical Societyen_US
dc.rightsArticle is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.en_US
dc.titleHighly sensitive SO2 photoacoustic sensor for SF6decomposition detection using a compact mW-level diode-pumped solid-state laser emitting at 303 nmen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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