Simultaneous detection of CO2/CH4 based on off-axis integrated cavity output spectroscopy and time-division-multiplexing-based wavelength modulation spectroscopy
Runqing Yu, Hua Xia, Tao Pang, Bian Wu, Zhe Li, Pengshuai Sun, Qiang Guo, Zhirong Zhang, Yongjun Cai
Topics & Concepts
OpticsLaserSpectroscopyMaterials scienceAllan varianceModulation (music)Cavity ring-down spectroscopyWavelengthNoise (video)MultiplexingOptical cavityAmplitude modulationOptoelectronicsFrequency modulationRadio frequencyPhysicsStandard deviationTelecommunicationsComputer scienceAcousticsImage (mathematics)MathematicsStatisticsArtificial intelligenceQuantum mechanicsSpectroscopy and Laser ApplicationsAtmospheric and Environmental Gas DynamicsAtmospheric Ozone and Climate