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Sökning: WFRF:(Grönlund Rasmus) > Engelska > Persson Linda > Sjöholm Mikael > Lunds universitet

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  • Andersson, Mats, et al. (författare)
  • Laser spectroscopy of gas in scattering media at scales ranging from kilometers to millimeters
  • 2007
  • Ingår i: Laser Physics. - Interperiodica. - 1054-660X. ; 17:7, s. 893-902
  • Tidskriftsartikel (refereegranskat)abstract
    • Free gases are characterized by their narrow line width, and they can conveniently be studied by laser spectroscopy. The present paper discusses the monitoring of such ambient pressure gases, which are dispersed in scattering media such as aerosol-laden atmospheres, solids, or liquids. Atmospheric work basically constitutes the well-known field of differential absorption lidar (DIAL), while the study of free gas in solids and liquids was initiated more recently under the name of GASMAS (GAs in Scattering Media Absorption Spectroscopy). We discuss the connections between the two techniques, which are extensively used in our labortory. Thus, we span the field from trace-gas mapping of gases in the lower atmosphere to gas studies in construction materials, food products, and the human body. We show that the basic ideas are very similar, while the spatial and temporal scales vary greatly.
  • Grönlund, Rasmus, et al. (författare)
  • Studies of free gas in scattering media at micro- and macroscopic scales
  • 2006
  • Ingår i: Proceedings of International Symposium on Biophotonics, Nanophotonics and Metamaterials. - IEEE--Institute of Electrical and Electronics Engineers Inc.. ; s. 42-45
  • Konferensbidrag (refereegranskat)abstract
    • Free gases in scattering media and different techniques for such studies are discussed in the present paper. Connections between two techniques that constitute a major research area at our laboratory are presented. One of the techniques concerns measurements of free gas in scattering media, such as human tissue and food products, on a small scale, while the other one is a technique for trace-gas measurements in the lower atmosphere. We show that the basic ideas are very similar and that, by applying the knowledge obtained on one scale to the other, little differences exist. This study motivates us to perform a measurement linking the two techniques.
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Svanberg, Sune, (2)
Andersson, Mats (2)
Grönlund, Rasmus, (2)
Svanberg, Katarina, (1)
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