Manipulating Digital Holograms to Modify Phase of Reconstructed Wavefronts

Details Manipulating Digital Holograms to Modify Phase of Reconstructed Wavefronts Manipulating Digital Holograms to Modify Phase of Reconstructed Wavefronts

Apr 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1236...70f&link_type=abstract

INTERNATIONAL CONFERENCE ON ADVANCED PHASE MEASUREMENT METHODS IN OPTICS AND IMAGING. AIP Conference Proceedings, Volume 1236,

Physics

Optics

Holography, Image Reconstruction, Interference, Fourier Transform Optics, Holographic Optical Elements, Holographic Gratings, Image Reconstruction, Tomography, Interference, Fourier Optics

Scientific paper

We show that through an adaptive deformation of digital holograms it is possible to manage the depth of focus in the numerical reconstruction. Deformation is applied to the original hologram with the aim to put simultaneously in-focus, and in one reconstructed image plane, different objects lying at different distance from the hologram plane (i.e. CCD sensor), but in the same field of view. In the same way it is possible to extend the depth of field for 3D object having a tilted object whole in-focus.

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