Quantitative phase-contrast imaging through a scattering media

被引：28
|
作者：
Singh, Rakesh Kumar [1 ]
Sharma, Anandraj M. [1 ]
Das, Bhargab [2 ]
机构：
[1] Indian Inst Space Sci & Technol IIST, Dept Phys, Appl & Adapt Opt Lab, Trivandrum 695547, Kerala, India
[2] Cent Sci Instruments Org, CSIR, Adv Mat & Sensors Div, Chandigarh 160030, India
来源：
OPTICS LETTERS | 2014年 / 39卷 / 17期
关键词：
DIGITAL HOLOGRAPHIC MICROSCOPY; TIME; INTERFEROMETRY; RECOVERY; LOOKING; HIDDEN; LAYERS; SHAPE; CHIP;
D O I：
10.1364/OL.39.005054
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report a new technique for the recovery of quantitative phase and amplitude information of an object hidden behind a scattering medium. Two-point intensity correlation measurement together with digital holography principles are utilized for this purpose. The hologram information of the object and a reference beam is scrambled by the presence of a scattering medium in its path. A direct digital holographic recording of this scattered light does not lead to the reconstruction of actual object information. We propose the idea of recovering this hologram information from the spatially fluctuating field of a laser speckle pattern using the intensity correlation, and subsequently apply digital reconstruction of the hologram for recovery of quantitative phase and amplitude information of objects hidden by a random diffuser. (C) 2014 Optical Society of America
引用
收藏
页码：5054 / 5057
页数：4
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