Optical method for remote determination of the geological...

Details Optical method for remote determination of the geological... Optical method for remote determination of the geological...

G - Physics

01

N

343/4, 73/51.4

G01N 21/55 (2006.01) G01N 21/21 (2006.01) G01N 21/84 (2006.01) G01V 8/02 (2006.01)

Patent

CA 1130603

IN THE UNITED STATES PATENT AND TRADEMARK OFFICE APPLICATION OF CHARLES W. KOUNS FOR OPTICAL METHOD FOR REMOTE DETERMINATION OF THE GEOLOGICAL NATURE OF A HOMOGENEOUS SURFACE ABSTRACT OF THE DISCLOSURE An optical method for identifying an immobile target having a homogeneous surface is disclosed. Light reflected from the surface of the target is electro- optically detected. The Stokes parameters of the detected light are measured in four preselected, adjacent, spectral bands. A discrete value termed the polarization intensity index (PII) is calculated using the measured Stokes parameters. Each homogeneous surface has a characteristic PII value. Substantially identical surfaces display substantially identical PII values. By comparing PII values of unidentified target surfaces with a set of previously determined PII values for different, known target surfaces, the geological nature of an unidentified target surface may be determined. S P E C I F I C A T I O N

337822

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