Compact photoacoustic module for methane detection incorporating interband cascade light emitting device

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dc.citation.firstpage16761en_US
dc.citation.issueNumber14en_US
dc.citation.journalTitleOptics Expressen_US
dc.citation.lastpage16770en_US
dc.citation.volumeNumber25en_US
dc.contributor.authorZheng, Huadanen_US
dc.contributor.authorLou, Minhanen_US
dc.contributor.authorDong, Leien_US
dc.contributor.authorWu, Hongpengen_US
dc.contributor.authorYe, Weilinen_US
dc.contributor.authorYin, Xukunen_US
dc.contributor.authorKim, Chul Sooen_US
dc.contributor.authorKim, Mijinen_US
dc.contributor.authorBewley, William W.en_US
dc.contributor.authorMerritt, Charles D.en_US
dc.contributor.authorCanedy, Chadwick L.en_US
dc.contributor.authorWarren, Michael V.en_US
dc.contributor.authorVurgaftman, Igoren_US
dc.contributor.authorMeyer, Jerry R.en_US
dc.contributor.authorTittel, Frank K.en_US
dc.date.accessioned2017-08-09T17:13:26Zen_US
dc.date.available2017-08-09T17:13:26Zen_US
dc.date.issued2017en_US
dc.description.abstractA photoacoustic module (PAM) for methane detection was developed by combining a novel 3.2 μm interband cascade light emitting device (ICLED) with a compact differential photoacoustic cell. The ICLED with a 22-stage interband cascade active core emitted a collimated power of ~700 μW. A concave Al-coat reflector was positioned adjacent to the photoacoustic cell to enhance the gas absorption length. Assembly of the ICLED and reflector with the photoacoustic cell resulted in a robust and portable PAM without any moving parts. The PAM performance was evaluated in terms of operating pressure, sensitivity and linearity. A 1σ detection limit of 3.6 ppmv was achieved with a 1-s integration time.en_US
dc.identifier.citationZheng, Huadan, Lou, Minhan, Dong, Lei, et al.. "Compact photoacoustic module for methane detection incorporating interband cascade light emitting device." <i>Optics Express,</i> 25, no. 14 (2017) The Optical Society: 16761-16770. https://doi.org/10.1364/OE.25.016761.en_US
dc.identifier.digitalCompact_photoacoustic_moduleen_US
dc.identifier.doihttps://doi.org/10.1364/OE.25.016761en_US
dc.identifier.urihttps://hdl.handle.net/1911/96629en_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.titleCompact photoacoustic module for methane detection incorporating interband cascade light emitting deviceen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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