期刊
OPTICS EXPRESS
卷 21, 期 26, 页码 32269-32278出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.21.032269
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资金
- KAIST
- MEST/NRF [2009-0087691(BRL), 2012R1A1A1009082, 2012K1A3A1A09055128, 2012-M3C1A1-048860, 2013M3C1A3063600, 2013R1A1A3011886, 2013K1A3A1A09076135]
- National Research Foundation of Korea [NRF-2011-0030933]
- TJ ChungAm Foundation
- National Research Foundation of Korea
- National Research Foundation of Korea [2012K1A3A1A09055128, 2013R1A1A3011886] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
3-D refractive index (RI) distribution is an intrinsic bio-marker for the chemical and structural information about biological cells. Here we develop an optical diffraction tomography technique for the real-time reconstruction of 3-D RI distribution, employing sparse angle illumination and a graphic processing unit (GPU) implementation. The execution time for the tomographic reconstruction is 0.21 s for 96(3) voxels, which is 17 times faster than that of a conventional approach. We demonstrated the real-time visualization capability with imaging the dynamics of Brownian motion of an anisotropic colloidal dimer and the dynamic shape change in a red blood cell upon shear flow. (C) 2013 Optical Society of America
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