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application/pdfIEEEIEEE Photonics Journal;2018;10;6;10.1109/JPHOT.2018.2883548Wavelength modulation spectroscopyCalibration-free TDLS1<inline-formula xmlns:ali="http://www.niso.org/schemas/ali/1.0/" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <tex-math notation="LaTeX">${f}$</tex-math> </inline-formula>-WMSA New RAM Normalized 1<inline-formula><tex-math notation="LaTeX">$f$</tex-math></inline-formula>-WMS Technique for the Measurement of Gas Parameters in Harsh Environments and a Comparison With <inline-formula><tex-math notation="LaTeX">${2f\!/\!1f}$</tex-math></inline-formula>Abhishek UpadhyayMichael LengdenDavid WilsonGordon Samuel HumphriesAndrew P. CrayfordDaniel G. PughMark P. JohnsonGeorge StewartWalter Johnstone
IEEE Photonics Journal1 Dec. 201861010.1109/JPHOT.2018.288354811
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