Miniaturized two-chamber photoacoustic CO2 sensor with a wafer-bonded MEMS (micro-electro-mechanical systems) detector
Simon Gaßner,
Simon Essing,
David Tumpold
et al.
Abstract:Abstract. The measurement of air quality, particularly the concentration of carbon dioxide (CO2), has gained significant interest due to increased public health awareness. Elevated concentrations of CO2 in the air have been linked to negative effects on cognitive functions and directly correlate with the quality of indoor air. This work presents the prototype of a miniaturized sensor module designed for sensing CO2 concentrations in the air. The sensor module utilizes the two-chamber photoacoustic concept and … Show more
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