Sensitive and ultra-fast species detection using pulsed cavity ringdown spectroscopy

Handle URI:
http://hdl.handle.net/10754/566031
Title:
Sensitive and ultra-fast species detection using pulsed cavity ringdown spectroscopy
Authors:
Alquaity, Awad ( 0000-0002-9306-0154 ) ; Es-sebbar, Et-touhami; Farooq, Aamir ( 0000-0001-5296-2197 )
Abstract:
Pulsed cavity ringdown spectroscopy (CRDS) is used to develop a novel, ultra-fast, high-sensitivity diagnostic for measuring species concentrations in shock tube experiments. The diagnostic is demonstrated by monitoring trace concentrations of ethylene in the mid-IR region near 949.47 cm-1. Each ringdown measurement is completed in less than 1 μs and the time period between successive pulses is 10 μs. The high sensitivity diagnostic has a noise-equivalent detection limit of 1.08 x 10-5 cm-1 which enables detection of 15 ppm ethylene at fuel pyrolysis conditions (1845 K and 2 bar) and 294 ppb ethylene under ambient conditions (297 K and 1 bar). To our knowledge, this is the first successful application of the cavity ringdown method to the measurement of species time-histories in a shock tube. © 2015 OSA.
KAUST Department:
Clean Combustion Research Center; Physical Sciences and Engineering (PSE) Division; Mechanical Engineering Program; Chemical Kinetics & Laser Sensors Laboratory
Publisher:
The Optical Society
Journal:
Optics Express
Issue Date:
2015
DOI:
10.1364/OE.23.007217
Type:
Article
ISSN:
1094-4087
Sponsors:
Research reported in this paper was funded by King Abdullah University of Science and Technology (KAUST).
Appears in Collections:
Articles; Physical Sciences and Engineering (PSE) Division; Mechanical Engineering Program; Clean Combustion Research Center

Full metadata record

DC FieldValue Language
dc.contributor.authorAlquaity, Awaden
dc.contributor.authorEs-sebbar, Et-touhamien
dc.contributor.authorFarooq, Aamiren
dc.date.accessioned2015-08-12T09:00:15Zen
dc.date.available2015-08-12T09:00:15Zen
dc.date.issued2015en
dc.identifier.issn1094-4087en
dc.identifier.doi10.1364/OE.23.007217en
dc.identifier.urihttp://hdl.handle.net/10754/566031en
dc.description.abstractPulsed cavity ringdown spectroscopy (CRDS) is used to develop a novel, ultra-fast, high-sensitivity diagnostic for measuring species concentrations in shock tube experiments. The diagnostic is demonstrated by monitoring trace concentrations of ethylene in the mid-IR region near 949.47 cm-1. Each ringdown measurement is completed in less than 1 μs and the time period between successive pulses is 10 μs. The high sensitivity diagnostic has a noise-equivalent detection limit of 1.08 x 10-5 cm-1 which enables detection of 15 ppm ethylene at fuel pyrolysis conditions (1845 K and 2 bar) and 294 ppb ethylene under ambient conditions (297 K and 1 bar). To our knowledge, this is the first successful application of the cavity ringdown method to the measurement of species time-histories in a shock tube. © 2015 OSA.en
dc.description.sponsorshipResearch reported in this paper was funded by King Abdullah University of Science and Technology (KAUST).en
dc.publisherThe Optical Societyen
dc.titleSensitive and ultra-fast species detection using pulsed cavity ringdown spectroscopyen
dc.typeArticleen
dc.contributor.departmentClean Combustion Research Centeren
dc.contributor.departmentPhysical Sciences and Engineering (PSE) Divisionen
dc.contributor.departmentMechanical Engineering Programen
dc.contributor.departmentChemical Kinetics & Laser Sensors Laboratoryen
dc.identifier.journalOptics Expressen
kaust.authorEs-sebbar, Et-touhamien
kaust.authorFarooq, Aamiren
kaust.authorAlquaity, Awaden
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