In-line holography with interference filters as Fourier processors

Year: 1982

Authors: Molesini G., Bertani D., Cetica M.

Autors Affiliation: Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy

Abstract: As an application of Fourier filtering in the object space, an in-line far-field holography configuration is considered where a detuned interference filter is placed between the diffracting object and the holographic plate. With suitable adjustment of the parameters, such a technique allows the relative amplitudes of the reference and the object beam to be controlled. This results in a modified visibility distribution of the interference fringes, and finally in a faster aperture that better defines the position in depth of the diffracting object during reconstruction. Theoretical computations and preliminary experimental results are presented.

Journal/Review: OPTICA ACTA

Volume: 29 (4)      Pages from: 479  to: 484

KeyWords: In-line holography; interference filters; Fourier filtering; optical processing;
DOI: 10.1080/713820873

Citations: 18
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