Microscope generating a three-dimensional representation of an object
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United States of America Patent
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Jun 19, 2001
Grant Date -
N/A
app pub date -
Aug 16, 1999
filing date -
Sep 27, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention concerns a microscope comprising an optical part for generating interference figures between a reference light wave and a light wave diffracted by the observed object, sensors for digitising these interference figures, actuators for operating the optical system, and a computer for receiving the digitised interference figures, controlling the actuators, and provided with a memory and computing means for computing the three dimensional images from the interference figures, based on a principle analogous to holography. The optical part enables the recording on a sensing surface (116) interference figures generated by a reference beam (Fr) and a beam (Fe) passing through a sample (109). The interference figures can differ from one another by the reference wave phase controlled by the piezoelectric actuator (120) or the spatial distribution of the illuminating beam controlled by the positioning device (106). This microscope can be used in biology or metrology.
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