Jinwei SONG, Junwei MIN, Xun YUAN, Yuge XUE, Baoli YAO. Quadriwave Lateral Shearing Interferometry Quantitative Phase Imaging Based on 2D Ronchi Phase Grating[J]. Acta Photonica Sinica, 2022, 51(11): 1118001
- Acta Photonica Sinica
- Vol. 51, Issue 11, 1118001 (2022)
Fig. 1. Schematic showing the structure of 2-D Ronchi phase grating
Fig. 2. The diffraction-order efficiency distribution of 2-D Ronchi grating
Fig. 3. The physical procedure of quantitative phase measurement based on quadriwave lateral shearing interferometry
Fig. 4. The spectrum of interferogram when the grating period is different times of the pixel size
Fig. 5. The normalized intensity distributions of each diffraction order of 1-D Ronchi phase grating at different incident wavelengths
Fig. 6. The spectrum of interferogram at different phase delay
Fig. 7. Schematic and photograph of the experimental setup
Fig. 8. The experimental results of PMMA bead
Fig. 9. The reconstructed results of microlens array at different illuminations of light sources
Fig. 10. The experimental results of staphylococcus section
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Table 1. The relative error rates of reconstructed phase maps of peaks function at different illumination wavelengths from 390 nm to 920 nm
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