Holophotography with a diffraction grating

Jose Joaquin Lunazzi

doi:10.1117/12.55567

1 January 1990 Holophotography with a diffraction grating

Jose Joaquin Lunazzi

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Optical Engineering, Vol. 29, Issue 1, (January 1990). https://doi.org/10.1117/12.55567

Abstract

Color encoding of depth is shown to occur naturally in images of objects observed through diffraction gratings under common white light illumination. A synthetic image is then obtained from a single point of view, a phenomenon that can be applied to stereophotography. The image can be recorded in a common color photograph, providing a simple method of visual decoding by means of ordinary colored 3-D spectacles. The fundamental equations and the photographic procedure for maximum fidelity in three-dimen sional reproduction are described. The result is a photograph that has the capability of registering all of the views of an object in a continuous sequence, which is called holophotography and was previously obtained by means of a hologram. By eliminating the need for a laser and holographic film, a new technique for holography in white light is foreseen.

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Jose Joaquin Lunazzi "Holophotography with a diffraction grating," Optical Engineering 29(1), (1 January 1990). https://doi.org/10.1117/12.55567

Published: 1 January 1990

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