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Hybrid Faraday rotation spectrometer for sub-ppm detection of atmospheric O_2

Author(s): Zhang, Eric J; Brumfield, Brian; Wysocki, Gerard

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dc.contributor.authorZhang, Eric J-
dc.contributor.authorBrumfield, Brian-
dc.contributor.authorWysocki, Gerard-
dc.date.accessioned2021-10-08T20:16:04Z-
dc.date.available2021-10-08T20:16:04Z-
dc.date.issued2014-06-30en_US
dc.identifier.citationZhang, Eric J, Brumfield, Brian, Wysocki, Gerard. (2014). Hybrid Faraday rotation spectrometer for sub-ppm detection of atmospheric O_2. Optics Express, 22 (13), 15957 - 15957. doi:10.1364/OE.22.015957en_US
dc.identifier.urihttp://arks.princeton.edu/ark:/88435/pr1kp05-
dc.description.abstractFaraday rotation spectroscopy (FRS) of O2 is performed at atmospheric conditions using a DFB diode laser and permanent rare-earth magnets. Polarization rotation is detected with a hybrid-FRS detection method that combines the advantages of two conventional approaches: balanced optical-detection and conventional FRS with an optimized analyzer offset angle for maximum sensitivity enhancement. A measurement precision of 0.6 ppmv·Hz-1/2 for atmospheric O2 has been achieved. The theoretical model of hybrid detection is described, and the calculated detection limits are in excellent agreement with experimental values.en_US
dc.format.extent15957 - 15957en_US
dc.language.isoen_USen_US
dc.relation.ispartofOptics Expressen_US
dc.rightsFinal published version. This is an open access article.en_US
dc.titleHybrid Faraday rotation spectrometer for sub-ppm detection of atmospheric O_2en_US
dc.typeJournal Articleen_US
dc.identifier.doidoi:10.1364/OE.22.015957-
dc.date.eissued2014-06-20en_US
dc.identifier.eissn1094-4087-
pu.type.symplectichttp://www.symplectic.co.uk/publications/atom-terms/1.0/journal-articleen_US

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