Liwei ZHANG, Haobo CHEN, Haiyu BAO, Xingzhi WU, Wenqing SUN, Quanying WU. Spatiotemporal phase-shifting method for interferograms of apertures with arbitrary shape[J]. Journal of Applied Optics, 2023, 44(5): 1080
- Journal of Applied Optics
- Vol. 44, Issue 5, 1080 (2023)
Fig. 1. Schematic diagram of sampling moire method at T=4
Fig. 2. Spreading results of different times iteration
Fig. 3. Flow chart of spatiotemporal phase-shifting method for interferograms of apertures with arbitrary shape
Fig. 4. Four simulated phase-shifting interferograms
Fig. 5. Relations between the number of critical iterations, the total number of pixels and proportion of effective regions
Fig. 6. Simulation results
Fig. 7. Spreading results of interferograms with different shape apertures
Fig. 8. Structure diagram of interferometer optical path
Fig. 9. Four interferograms collected in experiment
Fig. 10. Experimental results
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Table 1. Simulation results of interferograms with different shape apertures after spreading
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Table 2. Simulation results of interferograms with different shape apertures without spreading
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Table 3. Experimental results of interferograms with different shape apertures after spreading
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Table 4. Experimental results of interferograms with different shape apertures without spreading
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