Sun-chen WANG, Lei ZHANG, Mo-gen XUE, Yun-zhi WU, Rong JIA, Ying XUE. Optimization with Demodulation Algorithm for Spatially Modulated Full Polarization Imaging System[J]. Acta Photonica Sinica, 2020, 49(12): 146
- Acta Photonica Sinica
- Vol. 49, Issue 12, 146 (2020)
Fig. 1. Schematic diagram of the optical path propagation process of a spatially modulated full polarization imaging system
Fig. 2. Schematic diagram of Savart prism
Fig. 3. Schematic image of modulation spectrum
Fig. 4. Time-frequency domain analysis
Fig. 5. The spectrum of different apodization functions
Fig. 6. Schematic diagram of direction selective 2-D Hanning apodization function modified by Bessel
Fig. 7. Input polarization state
Fig. 8. Simulated interference image
Fig. 9. The full polarization component obtained by traditional demodulation algorithm of simulated interference image
Fig. 10. The full polarization component obtained by optimized demodulation algorithm for simulated interference
Fig. 11. Experimental process
Fig. 12. The full polarization component obtained by experimental interference image traditional demodulation algorithm
Fig. 13. The full polarization component obtained by experimental interferogram optimization demodulation algorithm
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Table 1. The mainlobe width and relative sidelobe attenuation of different apodization function
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Table 2. Comparison of full polarization component demodulation accuracy
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