Color digital holography using speckle illumination by means of a multi-mode fiber

被引：9
作者：
Funamizu, Hideki [1 ]
Shimoma, Shohei [1 ]
Aizu, Yoshihisa [1 ]
机构：
[1] Muroran Inst Technol, Div Mech Syst & Mat Engn, Muroran, Hokkaido 0508585, Japan
来源：
OPTICS COMMUNICATIONS | 2014年 / 312卷
关键词：
Digital holography; Multi-mode fiber; In-line holography; Color; INTENSITY MEASUREMENTS; OPTICAL FIBER; ZERO-ORDER; RECONSTRUCTION; IMAGE; INTERFEROMETRY; WAVELENGTH; MICROSCOPY; OBJECT; ERROR;
D O I：
10.1016/j.optcom.2013.09.032
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present color digital holography using speckle illumination by means of a multi-mode fiber. In this technique, speckle fields emitted from the fiber are used as both a reference wave and a wavefront illuminating an object. For three wavelengths, the interference patterns of two coherent waves are recorded as digital holograms on a CCD camera. A speckle method is used for suppressing DC terms and reducing a twin image in an in-line color digital holography. The speckle fields are changed by vibrating the multi-mode fiber using a vibrator, and a number of holograms are acquired to average reconstructed images. The dependence of the averaged number of holograms on color quality of reconstructed images is evaluated by chromaticity coordinates and color differences in colorimetry. (C) 2013 The Authors. Published by Elsevier B.V. All rights reserved
引用
收藏
页码：245 / 251
页数：7
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