selected publications article A new spatially scanning 2.7 µm laser hygrometer and new small-scale wind tunnel for direct analysis of the H$_{2}$O boundary layer structure at single plant leaves 2015 Distributed feedback diode laser spectrometer at 2,7 µm for sensitive, spatially resolved H2O vapor detection 2009 document In-Situ TDLAS hygrometer for spatially resolved 2-D water concentration measurements beneath a plant leaf 2011 Multi-Channel Laser Hygrometer for Spatially Resolved Water Vapor boundary Layer Studies at Single Plant Leafs 2011