Optics: measuring and testing – By light interference – For dimensional measurement
Reexamination Certificate
2007-03-06
2007-03-06
Tarcza, Thomas H. (Department: 3662)
Optics: measuring and testing
By light interference
For dimensional measurement
C356S003010, C356S004010, C356S005010
Reexamination Certificate
active
10467607
ABSTRACT:
A ground-based method is disclosed which determines the spatial statistics of fragmented and spatially variably dispersed objects in a transmissive medium, by generating a plurality of pulsed beams of laser energy, the beams having selectively variable width and shape; selectively varying the width and shape of the beams; directing the beams toward the dispersed objects; measuring the time and/or phase and intensity of signals returned by the dispersed objects, and calculating the apparent reflectance of the dispersed objects as a function of the range of the dispersed objects for each beam width and beam shape.
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Jupp David L.
Lovell Jennifer L.
Parkin David A.
Poropat George V.
Commonwealth Scientific and Industrial Research Organisation
Ratcliffe Luke D.
Tarcza Thomas H.
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