Miniaturized 3D-Printed Multipass Helmholtz Photoacoustic Sensors for High-Sensitivity CO2 Detection with Near-Infrared (NIR) Diode Lasers
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Monitoring carbon dioxide (CO2) concentrations is crucial for environmental protection and various industrial applications. This study presents a high-sensitivity photoacoustic spectroscopy (PAS) sensing system based on an innovative 3D-printed multipass (MP) ... ...
