Widely-tunable and sensitive optical sensor for multi-species detection in the mid-IR

Handle URI:
http://hdl.handle.net/10754/625859
Title:
Widely-tunable and sensitive optical sensor for multi-species detection in the mid-IR
Authors:
Alquaity, Awad ( 0000-0002-9306-0154 ) ; Alsaif, Bidoor; Farooq, Aamir ( 0000-0001-5296-2197 )
Abstract:
Pulsed cavity ringdown spectroscopy (CRDS) technique was used to develop a novel widely-tunable laser-based sensor for sensitive measurements of ethylene, propene, 1-butene and allene in the mid-IR. The use of an external-cavity quantum cascade laser (EC-QCL) enabled the sensor to cover a wide wavelength range from 10 to 11.1 µm (900 – 1000 cm-1) to detect multiple gases relevant to combustion and environment. The sensor operation was validated in a room-temperature static cell using well-characterized absorption lines of carbon dioxide near 938.69 cm-1 and 974.62 cm-1. Detection limits for ethylene, propene, 1-butene, and allene were measured to be 17, 134, 754 and 378 ppb, respectively, at 296 K and 760 Torr for a single-pass path-length of 70 cm. The excellent sensitivity of the optical sensor enabled it to measure the aforementioned gases at levels smaller than 1% of their recommended exposure limits. To the best of our knowledge, this is one of the first successful applications of the pulsed CRDS technique to measure trace levels of multiple gases in the 10 – 11 µm wavelength region.
KAUST Department:
Physical Sciences and Engineering (PSE) Division
Citation:
Alquaity A, Al-Saif B, Farooq A (2017) Widely-tunable and sensitive optical sensor for multi-species detection in the mid-IR. Measurement Science and Technology. Available: http://dx.doi.org/10.1088/1361-6501/aa912b.
Publisher:
IOP Publishing
Journal:
Measurement Science and Technology
Issue Date:
5-Oct-2017
DOI:
10.1088/1361-6501/aa912b
Type:
Article
ISSN:
0957-0233; 1361-6501
Sponsors:
Research reported in this publication was funded by King Abdullah University of Science and Technology (KAUST) under the competitive center funding (CCF) program.
Additional Links:
http://iopscience.iop.org/article/10.1088/1361-6501/aa912b
Appears in Collections:
Articles; Physical Sciences and Engineering (PSE) Division

Full metadata record

DC FieldValue Language
dc.contributor.authorAlquaity, Awaden
dc.contributor.authorAlsaif, Bidooren
dc.contributor.authorFarooq, Aamiren
dc.date.accessioned2017-10-11T12:03:22Z-
dc.date.available2017-10-11T12:03:22Z-
dc.date.issued2017-10-05en
dc.identifier.citationAlquaity A, Al-Saif B, Farooq A (2017) Widely-tunable and sensitive optical sensor for multi-species detection in the mid-IR. Measurement Science and Technology. Available: http://dx.doi.org/10.1088/1361-6501/aa912b.en
dc.identifier.issn0957-0233en
dc.identifier.issn1361-6501en
dc.identifier.doi10.1088/1361-6501/aa912ben
dc.identifier.urihttp://hdl.handle.net/10754/625859-
dc.description.abstractPulsed cavity ringdown spectroscopy (CRDS) technique was used to develop a novel widely-tunable laser-based sensor for sensitive measurements of ethylene, propene, 1-butene and allene in the mid-IR. The use of an external-cavity quantum cascade laser (EC-QCL) enabled the sensor to cover a wide wavelength range from 10 to 11.1 µm (900 – 1000 cm-1) to detect multiple gases relevant to combustion and environment. The sensor operation was validated in a room-temperature static cell using well-characterized absorption lines of carbon dioxide near 938.69 cm-1 and 974.62 cm-1. Detection limits for ethylene, propene, 1-butene, and allene were measured to be 17, 134, 754 and 378 ppb, respectively, at 296 K and 760 Torr for a single-pass path-length of 70 cm. The excellent sensitivity of the optical sensor enabled it to measure the aforementioned gases at levels smaller than 1% of their recommended exposure limits. To the best of our knowledge, this is one of the first successful applications of the pulsed CRDS technique to measure trace levels of multiple gases in the 10 – 11 µm wavelength region.en
dc.description.sponsorshipResearch reported in this publication was funded by King Abdullah University of Science and Technology (KAUST) under the competitive center funding (CCF) program.en
dc.publisherIOP Publishingen
dc.relation.urlhttp://iopscience.iop.org/article/10.1088/1361-6501/aa912ben
dc.rightsThis is an author-created, un-copyedited version of an article accepted for publication/published in Measurement Science and Technology. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at http://doi.org/10.1088/1361-6501/aa912b. As the Version of Record of this article is going to be/has been published on a subscription basis, this Accepted Manuscript will be available for reuse under a CC BY-NC-ND 3.0 licence after a 12 month embargo period.en
dc.titleWidely-tunable and sensitive optical sensor for multi-species detection in the mid-IRen
dc.typeArticleen
dc.contributor.departmentPhysical Sciences and Engineering (PSE) Divisionen
dc.identifier.journalMeasurement Science and Technologyen
dc.eprint.versionPost-printen
kaust.authorAlquaity, Awaden
kaust.authorAlsaif, Bidooren
kaust.authorFarooq, Aamiren
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