Author Affiliations
1Key Laboratory of Precision Opto-Mechatronics Technology, School of Instrumentation & Optoelectronic Engineering, Beihang University, Beijing 100191, China2Department of Radiation Oncology, Peking University Third Hospital, Beijing 100191, China3Medical Research Center, Peking University Third Hospital, Beijing 100191, Chinashow less
Fig. 1. Schematic of digital holographic microscopy tomography optical path
Fig. 2. Phase images of SiO2 microsphere at different angles. (a) 90°;(b) 180°;(c) 0°
Fig. 3. Three-dimensional tomographic reconstruction results of SiO2 microsphere. (a) Central slice in x-y plane; (b) central slice in x-z plane; (c) central slice in y-z plane; (d) three-dimensional tomographic reconstruction result of SiO2 microsphere
Fig. 4. Holograms at different angles and at the same position and their corresponding spectra, where the area inside the circle is selected filtering window. (a)(d) 90°;(b)(e) 180°;(c)(f) 0°
Fig. 5. Variation of focusing criterion with focusing distance and corresponding amplitude images of different focusing distances, where rectangle represents the selected focus window. (a) Variation of focusing criterion with focusing distance, focusing distance corresponding to the lowest point of the curve is the best reconstruction distance; (b)-(d) reconstruction amplitude images, focusing distance is -3.00, -1.51, and 0 cm, respectively
Fig. 6. Cell phase images before and after phase unwrapping. (a) Cell phase image before phase unwrapping; (b) cell phase image after unwrapping
Fig. 7. Phase images of bladder cancer cells with vacuoles, phase distribution along the dotted line of phase images, and three-dimensional display results of phase images. (a) Cell 1; (b) cell 2; (c) cell 3; (d) cell 4
Fig. 8. Three-dimensional tomographic reconstruction results of bladder cancer cells with vacuoles. (a) Cell 1; (b) cell 2;(c) cell 3; (d) cell 4
Cell | Volume of vacuole /(102μm3) | Surface area of vacuole /(102μm2) | Ratio of surface area to volume /μm-1 | Ratio of vacuole volume to cell volume |
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Cell 1 | 2.33 | 2.31 | 0.991 | 0.113 | Cell 2 | 2.80 | 2.27 | 0.811 | 0.267 | Cell 3 | 2.03 | 1.36 | 0.670 | 0.060 | Cell 4 | 0.15 | 0.32 | 2.133 | 0.009 |
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Table 1. Three-dimensional morphological parameters of each cell