High-speed Rayleigh–Raman measurements with subframe burst gating
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Type
ArticleKAUST Department
Clean Combustion Research CenterMechanical Engineering Program
Physical Science and Engineering (PSE) Division
Date
2019-08-21Online Publication Date
2019-08-21Print Publication Date
2019-09-01Permanent link to this record
http://hdl.handle.net/10754/656710
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A 10-kHz one-dimensional Rayleigh–CH4 Raman instrument capable of achieving highly precise measurement of temperature and methane mole fraction is demonstrated. The system uses a pulse-burst laser as the light source and back-illuminated electron-multiplied CCD cameras as the detectors. The cameras are operated in the subframe burst gating mode, to combine a high sampling rate, low noise, and a slow readout. The improved precision of this configuration is demonstrated by measuring temperature and methane mole fractions in ambient temperature gas mixtures and in a non-premixed inverse diffusion flame.Citation
Krishna, Y., Tang, H., Elbaz, A. M., & Magnotti, G. (2019). High-speed Rayleigh–Raman measurements with subframe burst gating. Optics Letters, 44(17), 4091. doi:10.1364/ol.44.004091Sponsors
King Abdullah University of Science and Technology (KAUST).Journal
Optics LettersAdditional Links
https://www.osapublishing.org/abstract.cfm?URI=ol-44-17-4091ae974a485f413a2113503eed53cd6c53
10.1364/OL.44.004091