Holographic method and apparatus using incoherent light
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United States of America Patent
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Dec 11, 1990
Grant Date -
N/A
app pub date -
Dec 22, 1989
filing date -
Dec 27, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of generating a quasi-complex hologram using incoherent light and a conoscope system comprising a birefringent crystal (30) inserted between two circular polarizers (10, 20), the method comprising the following steps: (i) recording a plurality of different conoscopic holograms of the same object without relative displacement thereof and with respective different polarization configurations; and (ii) combining the various conoscopic holograms obtained in this way in order to remove the bias and the conjugate image. The invention also relates to a device for implementing the method.
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