Noise Reduction in Off-Axis Digital Holography Reconstruction from Two Reconstruction Distances Based on Talbot Effect

被引：0

作者：

Leon-Rodriguez, Miguel ^{[1
,2
,3
]}

Cordero, Raul R. ^{[1
]}

Rayas, Juan A. ^{[1
]}

Martinez-Garcia, Amalia ^{[3
]}

Martinez-Gonzalez, Adrian ^{[2
]}

Labbe, Fernando ^{[4
]}

Flores-Munoz, Victor ^{[2
]}

机构：

[1] Univ Santiago Chile, Casilla 307 Correo 2, Santiago, Chile

[2] Univ Politecn Bicentenario, Silao Romita Km 2, Guanajuato 36283, Mexico

[3] Ctr Invest Opt AC, Loma Bosque 115, Guanajuato 37150, Mexico

[4] Univ Tecn Federico Santa Maria, Ave Espana 1680, Valparaiso, Chile

来源：

EMERGING CHALLENGES FOR EXPERIMENTAL MECHANICS IN ENERGY AND ENVIRONMENTAL APPLICATIONS | 2017年

关键词：

Digital holography; Holography; Talbot and self-imaging effects; Microscopy; Topography; SHOT-NOISE; MICROSCOPY; ILLUMINATION; ACCURACY;

D O I：

10.1007/978-3-319-28513-9_11

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A simple strategy based on wavefront propagation in Fresnel regime to reduce ringing effect by using an ideal filter in off-axis digital holography is presented. In addition, we demonstrate a better focusing capacity by using this ideal filter than Butterworth and Gaussian. The reconstructed and enhanced image is obtained from the averaging operation between the image at the focused image plane (z = z(hd0)) and the first Talbot distance order (z = z(hd1)). This distance is determined by the periodic ringing. Reductions of 50 % of these anomalies are computed in simulation and 30 % is obtained experimentally. Numerical simulations and experimental results are carried out to validate the proposal.

引用

页码：75 / 83

页数：9

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