Untersuchungen zur Laser-induzierten Blau-, Gruen- und Rotfluoreszenz an Pflanzen unter Einsatz eines optischen Vielkanalanalysators (OMA III)

The UV-laser-induced fluorescence signatures in the blue, green and red spectral region of leaves of different plants were investigated and compared with some physiological criteria of plants, with the intension - as aimed to in the joint EUREKA-research project LASFLEUR (EU 380) - to point out possible relationships between fluorescence signatures and fluorescence ratios with the physiological state of plants. The idea was to investigate whether measured fluorescence ratios of plants could present the basis for a remote sensing of terrestrial vegetation via a future airborne fluorescence lidar system. For this purpose a laboratory fluorosensor for fluorescence measurements was developed, which corresponds in its main equipment and functions to the requirements of a future airborne lidar system. The Karlsruher fluorosensor system consists of a UV-laser/dye laser for exciting the plants' fluorescence and a detector, which is capable to sense complete fluorescence emission spectra in a short time range (some milliseconds). (orig.)Available from TIB Hannover: RO 5800(25) / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekSIGLEBundesministerium fuer Forschung und Technologie (BMFT), Bonn (Germany)DEGerman