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Conferences > ISA > 2022 > JTu2A > JTu2A.10

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

Lukas Escher, Thomas Rück, Simon Jobst, Martin König, and Rudolf Bierl

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Abstract

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.

© 2022 The Author(s)

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