Highly sensitive QEPAS sensor for sub-ppb N2O detection using a compact butterfly-packaged quantum cascade laser
Min Yang, Zhen Wang, Haojia Sun, Mengyuan Hu, Pak To Yeung, Qinxue Nie, Shanliang Liu, Naota Akikusa, Wei Ren
Topics & Concepts
Quantum cascade laserMaterials scienceDetection limitTrace gasOptoelectronicsPhotoacoustic spectroscopyLaserOpticsParts-per notationPhysicsChemistryTerahertz radiationQuantum mechanicsMeteorologyChromatographySpectroscopy and Laser ApplicationsAtmospheric and Environmental Gas DynamicsAtmospheric Ozone and Climate