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Atmospheric CO2 sensing using Scheimpflug-lidar based on a 1.57-mu m fiber source
Lund Univ, Sweden.
Lund Univ, Sweden.
NEOLund AB Sweden.
KTH, School of Engineering Sciences (SCI), Applied Physics.
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2019 (English)In: Optics Express, ISSN 1094-4087, E-ISSN 1094-4087, Vol. 27, no 12, p. 17348-17358Article in journal (Refereed) Published
Abstract [en]

A molecular laser-radar system, based on the Scheimpflug principle, has been constructed and demonstrated for remote sensing of atmospheric CO2 concentrations using Differential Absorption Lidar (DIAL) in the (30012 <- 00001) absorption band. The laser source is a Continues Wave (CW) Distributed-FeedBack (DFB) diode laser seeding an Erbium-doped fiber amplifier, emitting narrowband (3 MHz) tunable radiation with an output power of 1.3 W at 1.57 mu m. The laser beam is expanded and transmitted to the atmosphere. The atmospheric backscattered signal is collected with a Newtonian telescope and detected with a linear InGaAs array detector satisfying the Scheimpflug condition. We present range-resolved measurements of atmospheric CO2 concentration from a test range of 2 km located in the city of Lund, Sweden. We discuss and provide scalable results for CO2 profiling with the Scheimpflug-lidar method. 

Place, publisher, year, edition, pages
Optical Society of America, 2019. Vol. 27, no 12, p. 17348-17358
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-254503DOI: 10.1364/OE.27.017348ISI: 000470849000106Scopus ID: 2-s2.0-85066985211OAI: oai:DiVA.org:kth-254503DiVA, id: diva2:1337451
Note

QC 20190715

Available from: 2019-07-15 Created: 2019-07-15 Last updated: 2019-10-10Bibliographically approved

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Yang, Xiong

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