Triple-range adjustable plane-concave multipass gas cell for high-precision trace gas detection based on TDLAS
Zhen Hu, Yongpeng Shi, Mingsheng Niu, Taohua Li, Hui Li, Huiyuan Liu
Topics & Concepts
Trace gasTunable diode laser absorption spectroscopyDetection limitSensitivity (control systems)OpticsLaserMaterials scienceSIGNAL (programming language)Allan varianceAbsorption spectroscopyAbsorption (acoustics)Dynamic rangeSpectroscopyTime delay and integrationTunable laserPath lengthMethaneSignal-to-noise ratio (imaging)Optical pathOptical path lengthPhysicsStandard deviationChemistryComputer scienceElectronic engineeringStatisticsMeteorologyMathematicsProgramming languageChromatographyQuantum mechanicsEngineeringOrganic chemistrySpectroscopy and Laser ApplicationsAtmospheric Ozone and ClimateAtmospheric and Environmental Gas Dynamics