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1. CA2348594 - FLUORESCENCE DETECTION ASSEMBLY FOR DETERMINATION OF SIGNIFICANT VEGETATION PARAMETERS

Office Canada
Application Number 2348594
Application Date 28.10.1998
Publication Number 2348594
Publication Date 04.05.2000
Grant Number
Grant Date 12.12.2006
Publication Kind C
IPC
G01N 21/64
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
21Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
63optically excited
64Fluorescence; Phosphorescence
CPC
G01N 21/6486
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
21Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
63optically excited
64Fluorescence; Phosphorescence
6486Measuring fluorescence of biological material, e.g. DNA, RNA, cells
G01N 21/6456
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
21Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
63optically excited
64Fluorescence; Phosphorescence
645Specially adapted constructive features of fluorimeters
6456Spatial resolved fluorescence measurements; Imaging
G01N 2021/635
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
21Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
63optically excited
635Photosynthetic material analysis, e.g. chrorophyll
G01N 2021/8466
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
21Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
84Systems specially adapted for particular applications
8466Investigation of vegetal material, e.g. leaves, plants, fruits
G01N 2201/0612
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
2201Features of devices classified in G01N21/00
06Illumination; Optics
061Sources
06113Coherent sources; lasers
0612Laser diodes
Applicants DEUTSCHES ZENTRUM FUR LUFT- UND RAUMFAHRT E.V.
Inventors LUDEKER, WILHELM
GUNTHER, KURT
DAHN, HANS-GUNTER
Title
(EN) FLUORESCENCE DETECTION ASSEMBLY FOR DETERMINATION OF SIGNIFICANT VEGETATION PARAMETERS
(FR) ENSEMBLE DE DETECTION DE FLUORESCENCE POUR LA DETERMINATION DE PARAMETRES PERTINENTS DE VEGETATION
Abstract
(EN)
According to the invention a basic assembly configuration for determination of relevant vegetation parameters includes a high repetitive pulsed excitation laser (1) for the stimulation of chlorophyll fluorescence, a fluorescence detector (3) including an imaging and separation optic (4, 5), a trigger and delay electronic (6) to adjust the laser and appropriate detector timing and a detector electronic (7), consisting of a signal recording and processing module. An assembly realized according to the invention can be used for determination of relevant vegetation parameters for agricultural, horticultural and greenhouse application.

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