Articles | Volume 13, issue 8
Atmos. Meas. Tech., 13, 4317–4331, 2020
https://doi.org/10.5194/amt-13-4317-2020
Atmos. Meas. Tech., 13, 4317–4331, 2020
https://doi.org/10.5194/amt-13-4317-2020

Research article 17 Aug 2020

Research article | 17 Aug 2020

A compact incoherent broadband cavity-enhanced absorption spectrometer for trace detection of nitrogen oxides, iodine oxide and glyoxal at levels below parts per billion for field applications

Albane Barbero et al.

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Short summary
In this paper, we present a compact, affordable and robust instrument for in situ measurements of different trace gases: NOx, IO, CHOCHO and O3 with very low detection limits. The device weighs 15 kg and has a total electrical power consumption of < 300 W. Its very low detection limits and its design make it suitable for field applications to address different questions such as how to better constrain the oxidative capacity of the atmosphere and study the chemistry of highly reactive species.