Parallel-quadrature phase-shifting digital holographic microscopy using polarization beam splitter.
Parallel-quadrature phase-shifting digital holographic microscopy using polarization beam splitter.
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DOI：
10.1016/j.optcom.2012.07.101
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发表时间：
2012-11-01
影响因子：
2.4
通讯作者：
Rao, D. V. G. L. N.
中科院分区：
文献类型：
--
作者：
Das, Bhargab;Yelleswarapu, Chandra S.;Rao, D. V. G. L. N.
提出了一种基于平行-正交相移法的数字全息显微技术。利用偏振相移原理、微离轴记录结构和两个相同的CCD传感器同时记录两幅π/2相移全息图。平行相移是通过将圆偏振的物光与45°偏振的参考光通过偏振分束器合并来实现的。通过两幅全息图相减消除直流项，选择真实的像的频谱，重建物体信息。振幅和相位的对象重建结果。同步记录消除了由机械振动和空气干扰引起的相位误差。具有相移的略微离轴记录几何结构允许空间滤波器的大得多的维度用于对象信息的重构。这导致比传统离轴全息术更好的重建能力。
We present a digital holography microscopy technique based on parallel-quadrature phase-shifting method. Two π/2 phase-shifted holograms are recorded simultaneously using polarization phase-shifting principle, slightly off-axis recording geometry, and two identical CCD sensors. The parallel phase-shifting is realized by combining circularly polarized object beam with a 45° degree polarized reference beam through a polarizing beam splitter. DC term is eliminated by subtracting the two holograms from each other and the object information is reconstructed after selecting the frequency spectrum of the real image. Both amplitude and phase object reconstruction results are presented. Simultaneous recording eliminates phase errors caused by mechanical vibrations and air turbulences. The slightly off-axis recording geometry with phase-shifting allows a much larger dimension of the spatial filter for reconstruction of the object information. This leads to better reconstruction capability than traditional off-axis holography.
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影响因子：
1.9
作者：
Shaked, Natan T.;Newpher, Thomas M.;Wax, Adam
通讯作者：
Wax, Adam
影响因子：
2.3
作者：
Rappaz, Benjamin;Barbul, Alexander;Marquet, Pierre
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作者：
Shaked, Natan T.;Zhu, Yizheng;Wax, Adam
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Wax, Adam
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作者：
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通讯作者：
Depeursinge, C
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作者：
Sivakumar, NR;Hui, WK;Ngoi, BKA
通讯作者：
Ngoi, BKA