Abstract
In this work, we present the optical recording and reconstruction of dynamic 3D digital holograms using optoelectronic devices. Digital Holography technique allows recording and reconstruction of three-dimensional images of real objects, since a hologram presents both the intensity and phase information about the object. The experimental implementation of digital holographic systems for recording, as well as for numerical and optical reconstruction of three-dimensional objects became possible. We developed an experimental setup that allowed the optical recording (construction) of dynamic digital holograms (DHs) from real three-dimensional objects in CCD cameras, together with their numerical reconstruction and their optical reconstruction in a dynamic process by using a spatial light modulator, SLM; it was used a single holographic experimental setup in the entire process. We have obtained good results that enable excellent prospects for applications in recording and reconstruction of 3D scenes.
Highlights
Holography is a non-destructive interferometric-diffractive technique [1], which allows recording and reconstruction of three-dimensional (3D) images from objects, since a hologram presents both their intensity and phase information
We developed an experimental setup that allowed the optical recording of dynamic digital holograms (DHs) from real three-dimensional objects, together with their numerical reconstruction and, their optical reconstruction in a dynamic process by using a Spatial Light Modulators (SLMs); it was used a single holographic experimental setup in the entire process
The insets show the three-dimensional object under study, one of the digital holograms recorded in our system (DH), its numerical reconstruction (NR) and its optical reconstruction (OR)
Summary
Holography is a non-destructive interferometric-diffractive technique [1], which allows recording and reconstruction of three-dimensional (3D) images from objects, since a hologram presents both their intensity and phase information. This technique can be used to reconstruct the wavefront of 3D objects by recording the interference pattern of a reference coherent wavefront with the object's wavefront (scattered or transmitted from its surface) using coherent illumination. This recorded interference pattern is known as a hologram and contains information about the amplitude and phase of the object's wave field. The realistic character of these images makes holography one of the most used techniques in threedimensional displays nowadays [4]
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