Heuristic algorithm for calculation of sufficiently randomized object-independent diffuser for holography

Bhupendra Bimal Chhetri; Seiichi Serikawa; Teruo Shimomura

doi:10.1117/12.405853

2 November 2000 Heuristic algorithm for calculation of sufficiently randomized object-independent diffuser for holography

Bhupendra Bimal Chhetri; Seiichi Serikawa; Teruo Shimomura

Author Affiliations +

Proceedings Volume 4113, Algorithms and Systems for Optical Information Processing IV; (2000) https://doi.org/10.1117/12.405853
Event: International Symposium on Optical Science and Technology, 2000, San Diego, CA, United States

Abstract

In this paper, we consider a simple object-independent diffuser for digital holography that is characterized by a constant absolute value of the phase difference between its samples. In order to have desirable characteristics, the distribution of the signs of phase difference of it must be sufficiently randomized. We thus propose an effective algorithm for this purpose. Finally, we show that this diffuser can be used to initialize the phase of an intensity object for successfully calculating its complex amplitude, which is band-limited and at the same time possesses a smooth spectrum, and which fulfills the basic requirement for efficiently encoding it into a hologram and reconstructing it with reduced speckles.

Citation Download Citation

Bhupendra Bimal Chhetri, Bhupendra Bimal Chhetri, Seiichi Serikawa, Seiichi Serikawa, Teruo Shimomura, Teruo Shimomura, } "Heuristic algorithm for calculation of sufficiently randomized object-independent diffuser for holography", Proc. SPIE 4113, Algorithms and Systems for Optical Information Processing IV, (2 November 2000); doi: 10.1117/12.405853; https://doi.org/10.1117/12.405853

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