Design and Characterization of a Low-Cost Photoacoustic Sensor for NO2 Using Lateral Illumination and Background Suppression

Autor: Lukas Escher, Thomas Rück, Simon Jobst, Martin König, Rudolf Bierl
Rok vydání: 2022
Zdroj: Imaging and Applied Optics Congress 2022 (3D, AOA, COSI, ISA, pcAOP).
DOI: 10.1364/3d.2022.jtu2a.10
Popis: We introduce a low-cost photoacoustic NO2 sensor based on lateral LED illumination and optical background signal compensation. The 3σ limit of detection (LOD) was identified to be 24 ppbV.
Databáze: OpenAIRE