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Optical detection of formaldehyde in air in the 36 µm range

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dc.abstract.enThe optical detector of formaldehyde designed for sensing cancer biomarkers in air exhaled from human lungs with possible application in free atmosphere is described. The measurements were performed at wavelengths ranging from 3595.77–3596.20 nm. It was stated that at the pressure of 0.01 atm this absorption band exhibits the best immunity to typical interferents that might occur at high concentration in human breath. Multipass absorption spectroscopy was also applied. The method of optical fringes quenching by wavelength modulation and signal averaging over the interferences period was presented. The application of such approaches enabled the detection limit of about single ppb to be achieved.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorWinkowski, Mateusz
dc.contributor.authorStacewicz, Tadeusz
dc.date.accessioned2024-01-25T15:58:10Z
dc.date.available2024-01-25T15:58:10Z
dc.date.issued2020
dc.description.financeŚrodki finansowe przyznane na realizację projektu w zakresie badań naukowych lub prac rozwojowych
dc.description.number12
dc.description.volume11
dc.identifier.doi10.1364/BOE.405384
dc.identifier.issn2156-7085
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/114968
dc.identifier.weblinkhttps://www.osapublishing.org/viewmedia.cfm?URI=boe-11-12-7019&seq=0
dc.languageeng
dc.pbn.affiliationphysical sciences
dc.relation.ispartofBiomedical Optics Express
dc.relation.pages7019
dc.rightsClosedAccess
dc.sciencecloudnosend
dc.titleOptical detection of formaldehyde in air in the 36 µm range
dc.typeJournalArticle
dspace.entity.typePublication