Simplified approach for quantitative digital holographic phase contrast imaging of living cells

被引:182
作者
Kemper, Bjoern [1 ]
Vollmer, Angelika [1 ]
Rommel, Christina E. [2 ]
Schnekenburger, Juergen [2 ]
von Bally, Gert [1 ]
机构
[1] Univ Munster, Ctr Biomed Opt & Photon, D-48149 Munster, Germany
[2] Univ Munster, Dept Med B, D-48149 Munster, Germany
关键词
quantitative phase contrast; digital holographic microscopy; live cell imaging; DIFFRACTION TOMOGRAPHY; MICROSCOPY; OPTIMIZATION;
D O I
10.1117/1.3540674
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
Many interferometry-based quantitative phase contrast imaging techniques require a separately generated coherent reference wave. This results in a low phase stability and the demand for a precise adjustment of the intensity ratio between object and reference wave. To overcome these problems, the performance of a Michelson interferometer approach for digital holographic microscopy was analyzed that avoids a separately generated reference wave by superposition of different image areas. It is shown that this simplified arrangement yields improved phase stability. Furthermore, results from time-lapse investigations on living pancreas tumor cells demonstrate the capability of the method for reliable quantitative phase contrast imaging. (C) 2011 Society of Photo-Optical Instrumentation Engineers (SPIE). [DOI: 10.1117/1.3540674]
引用
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页数:4
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