DIFFUSERS IN DIGITAL HOLOGRAPHY

被引：86

作者：

BRAUER, R

WYROWSKI, F

BRYNGDAHL, O

机构：

[1] Department of Physics, University of Essen, Essen

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 1991年 / 8卷 / 03期

关键词：

D O I：

10.1364/JOSAA.8.000572

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In Fourier and Fresnel holography diffuse illumination is used to smooth the power spectrum of the object wave. A speckle pattern will then disturb the diffraction pattern. We present methods to calculate appropriate diffusers in digital holography that do not introduce speckle. The considerations include deterministic object-independent as well as iteratively calculated object-dependent diffusers. Object-independent diffusers are suited for initial phases to avoid stagnation of the iterative procedure.

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页码：572 / 578

页数：7

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