Title:

Development of a Low-Cost Non-Dispersive Infrared Spectrometer for Real-Time Nitrous Oxide Detection

Nitrous oxide (N₂O) is the third-most problematic greenhouse gas and the leading ozone-depleting gas emitted by human activities. Understanding N₂O emissions is vital for climate modeling and reducing agriculture emissions, yet existing monitoring technologies are expensive, time consuming, or limited in spatial and temporal resolution. This work presents a novel design and preliminary testing for a low-cost, adjustable-precision N₂O sensor based on non-dispersive infrared (NDIR) spectroscopy. This sensor is the first NDIR sensor to use an adjustable optical path length for N₂O, allowing for measurements in diverse conditions.

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