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Edner H, Johansson J, Svanberg S, et al. Fluorescence lidar multicolor imaging of vegetation. Appl Opt. 1994;33(13):2471-9doi: 10.1364/AO.33.002471.
Edner, H., Johansson, J., Svanberg, S., & Wallinder, E. (1994). Fluorescence lidar multicolor imaging of vegetation. Applied optics, 33(13), 2471-9. https://doi.org/10.1364/AO.33.002471
Edner, H, et al. "Fluorescence lidar multicolor imaging of vegetation." Applied optics vol. 33,13 (1994): 2471-9. doi: https://doi.org/10.1364/AO.33.002471
Edner H, Johansson J, Svanberg S, Wallinder E. Fluorescence lidar multicolor imaging of vegetation. Appl Opt. 1994 May 01;33(13):2471-9. doi: 10.1364/AO.33.002471. PMID: 20885598.
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Appl Opt. 1994 May 01;33(13):2471-9. doi: 10.1364/AO.33.002471.

Fluorescence lidar multicolor imaging of vegetation.

Applied optics

H Edner, J Johansson, S Svanberg, E Wallinder

PMID: 20885598 DOI: 10.1364/AO.33.002471

Abstract

Multicolor imaging of vegetation fluorescence following laser excitation is reported for distances of 50 m. A mobile laser-radar system equipped with a Nd:YAG laser transmitter and a 40-cm-diameter telescope was utilized. The laser light was Raman shifted to 397 nm with pulse energies of ˜ 30 mJ. An image-intensified CCD camera with a specially designed split-mirror Cassegrainian telescope was utilized for the simultaneous recording of fluorescence images of leaves and branches in four different spectral bands. Additionally, fluorescence spectra at selected points within the detection area were measured with an image-intensified diode array system. Image processing permits extraction of information related to the physiological status of the vegetation and might prove useful in forest decline research.

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