Digital spatially incoherent Fresnel holography |
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| Authors: | Rosen Joseph Brooker Gary |
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| Institution: | Department of Biology, Integrated Imaging Center, Johns Hopkins University, Rockville, MD 20850, USA. rosen@ee.bgu.ac.il |
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| Abstract: | We present a new method for recording digital holograms under incoherent illumination. Light is reflected from a 3D object, propagates through a diffractive optical element (DOE), and is recorded by a digital camera. Three holograms are recorded sequentially, each for a different phase factor of the DOE. The three holograms are superposed in the computer, such that the result is a complex-valued Fresnel hologram. When this hologram is reconstructed in the computer, the 3D properties of the object are revealed. |
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