FLUORESCENCE LIDAR MULTICOLOR IMAGING OF VEGETATION

被引:59
作者
EDNER, H
JOHANSSON, J
SVANBERG, S
WALLINDER, E
机构
[1] Department of Physics, Lund Institute of Technology, Lund, S-221 00
来源
APPLIED OPTICS | 1994年 / 33卷 / 13期
关键词
D O I
10.1364/AO.33.002471
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
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 approximately 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.
引用
收藏
页码:2471 / 2479
页数:9
相关论文
共 23 条
[1]   MULTISPECTRAL SYSTEM FOR MEDICAL FLUORESCENCE IMAGING [J].
ANDERSSON, PS ;
MONTAN, S ;
SVANBERG, S .
IEEE JOURNAL OF QUANTUM ELECTRONICS, 1987, 23 (10) :1798-1805
[2]  
[Anonymous], 1931, NATURWISSENSCHAFTEN, DOI DOI 10.1007/BF01516164
[3]  
CELANDER L, 1978, GIPR149 GOT I PHYS R
[4]   LASER-INDUCED FLUORESCENCE OF GREEN PLANTS .1. A TECHNIQUE FOR THE REMOTE DETECTION OF PLANT STRESS AND SPECIES DIFFERENTIATION [J].
CHAPPELLE, EW ;
WOOD, FM ;
MCMURTREY, JE ;
NEWCOMB, WW .
APPLIED OPTICS, 1984, 23 (01) :134-138
[5]   FLUORESCENCE SPECTROPHOTOMETRY OF PYRIDINE NUCLEOTIDE IN PHOTOSYNTHESIZING CELLS [J].
DUYSENS, LNM ;
SWEEP, G .
BIOCHIMICA ET BIOPHYSICA ACTA, 1957, 25 (01) :13-16
[6]   MOBILE REMOTE-SENSING SYSTEM FOR ATMOSPHERIC MONITORING [J].
EDNER, H ;
FREDRIKSSON, K ;
SUNESSON, A ;
SVANBERG, S ;
UNEUS, L ;
WENDT, W .
APPLIED OPTICS, 1987, 26 (19) :4330-4338
[7]  
EDNER H, 1992, 1992 OSA TECHNICAL D, V12, P432
[8]  
EDNER H, 1992, EARSEL ADV REMOTE SE, V1, P119
[9]   TIME-RESOLVED SPECTROSCOPY OF THE BLUE FLUORESCENCE OF SPINACH LEAVES [J].
GOULAS, Y ;
MOYA, I ;
SCHMUCK, G .
PHOTOSYNTHESIS RESEARCH, 1990, 25 (03) :299-307
[10]   AIRBORNE SIMULTANEOUS SPECTROSCOPIC DETECTION OF LASER-INDUCED WATER RAMAN BACKSCATTER AND FLUORESCENCE FROM CHLOROPHYLL-A AND OTHER NATURALLY-OCCURRING PIGMENTS [J].
HOGE, FE ;
SWIFT, RN .
APPLIED OPTICS, 1981, 20 (18) :3197-3205