Optics: measuring and testing – By dispersed light spectroscopy – With sample excitation
Patent
1990-09-17
1992-03-17
Evans, F. L.
Optics: measuring and testing
By dispersed light spectroscopy
With sample excitation
2504581, G01N 2164, G01J 3443
Patent
active
050962930
ABSTRACT:
The multichannel fluorescence lidar comprises a source for the emission of a laser beam, an optical receiving system to focus the backscattered radiation, an optical channels separator and means for processing the detected signals. The device comprises means (15) for forming the ratio, two by two, of the signals originating from the optical channels separator (11), and means (17, 19) for making the comparison between the values of the ratios and a series of values stored in an archive or a data base (21).
REFERENCES:
patent: 4959549 (1990-09-01), Haub et al.
Cecchi Giovanna
Pantani Luca
Consiglio Nazionale delle Ricerche, State Body
Evans F. L.
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