Chakraborty, Arup LalArup LalChakrabortyJohnstone, WalterWalterJohnstone2025-09-042025-09-042011-09-11http://repository.iitgn.ac.in/handle/IITG2025/30763en-USNonlinear intensityQuantitative measurementsWavelengthCalibration-free 2f wavelength modulation spectroscopy using normalization by the nonlinear intensity modulation for quantitative industrial gas measurementsConference PaperConference Paper123456789/493