A dual-channel incoherent broadband cavity-enhanced absorption spectrometer for sensitive atmospheric NOx measurements

We describe and characterize a dual-channel incoherent broadband cavity-enhanced absorption spectrometer (DC-IBBCEAS) for the sensitive measurements of NOx: the sum of nitrogen monoxide (NO) and nitrogen dioxide (NO2) in the atmosphere. The instrument employs two 1 m long optical cavities, with air...

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Veröffentlicht in:	Analyst (London) 2021-04, Vol.146 (8), p.2542-2549
Hauptverfasser:	Pakkattil, Anoop, Saseendran, Aiswarya, Thomas, Arun P, Raj, Anjana S, Mohan, Ardra, Viswanath, Deepa, Chatanathodi, Raghu, Varma, Ravi
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorption cross sections Absorption spectroscopy Broadband Channels Holes Nitric oxide Nitrogen dioxide Nitrous acid Sensitivity
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