Fourier Transform Light Scattering of Inhomogeneous and Dynamic Structures

被引:133
作者
Ding, Huafeng [1 ]
Wang, Zhuo [1 ]
Nguyen, Freddy [2 ]
Boppart, Stephen A. [2 ]
Popescu, Gabriel [1 ]
机构
[1] Univ Illinois, Beckman Inst Adv Sci & Technol, Quantitat Light Imaging Lab, Dept Elect & Comp Engn, Urbana, IL 61801 USA
[2] Univ Illinois, Beckman Inst Adv Sci & Technol, Biophoton Imaging Lab, Dept Elect & Comp Engn, Urbana, IL 61801 USA
关键词
D O I
10.1103/PhysRevLett.101.238102
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Fourier transform light scattering (FTLS) is a novel experimental approach that combines optical microscopy, holography, and light scattering for studying inhomogeneous and dynamic media. In FTLS the optical phase and amplitude of a coherent image field are quantified and propagated numerically to the scattering plane. Because it detects all the scattered angles (spatial frequencies) simultaneously in each point of the image, FTLS can be regarded as the spatial equivalent of Fourier transform infrared spectroscopy, where all the temporal frequencies are detected at each moment in time.
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页数:4
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