Intra-pulse Cavity Enhanced Measurements of Carbon Monoxide in a Rapid Compression Machine
Type
Conference PaperAuthors
Nasir, Ehson Fawad
Farooq, Aamir

KAUST Department
Chemical Kinetics & Laser Sensors LaboratoryClean Combustion Research Center
Mechanical Engineering Program
Physical Science and Engineering (PSE) Division
Date
2018-05-07Online Publication Date
2018-05-07Print Publication Date
2018Permanent link to this record
http://hdl.handle.net/10754/627910
Metadata
Show full item recordAbstract
A laser absorption sensor for carbon monoxide concentration was developed for combustion studies in a rapid compression machine using a pulsed quantum cascade laser near 4.89 μm. Cavity enhancement reduced minimum detection limit down to 2.4 ppm at combustion relevant conditions. Off-axis alignment and rapid intra-pulse down-chirp resulted in effective suppression of cavity noise.Citation
Nasir EF, Farooq A (2018) Intra-pulse Cavity Enhanced Measurements of Carbon Monoxide in a Rapid Compression Machine. Conference on Lasers and Electro-Optics. Available: http://dx.doi.org/10.1364/cleo_at.2018.atu4i.5.Sponsors
Research reported in this publication was supported by funding from the King Abdullah University of Science and Technology (KAUST).Publisher
The Optical SocietyAdditional Links
https://www.osapublishing.org/abstract.cfm?URI=CLEO_AT-2018-ATu4I.5ae974a485f413a2113503eed53cd6c53
10.1364/cleo_at.2018.atu4i.5